       (1) 
                                
             
                                                                                                                   2013   12  25       2013                                      2000     1990                    22      15                                                         0  4                    4  7                  7  13   1  6             13  16   7   9          15  19    1    3              19  25    1    6                                                                                             
 1900       10000                              1950             2000                                2000    10                                           1985                                   2013                                                                                                                                                                                                                                               
                                                             1900   1957                                                                                    20%                                                                                                      20             8       8                                         24               12      365                                                                                                                     
                
   1.    6                                                                                                                    31                                              
   2.                                                                                                                                                                                                                                                                                                                                                                                                      
    3.                                                                                                                                                                                
1.       
2.        
3.             
4.        
5.      
6.             
7.           
8.             
9.             
10.                                                                                                                          
         
1.                              
2.   1                                  
3.  4                98 %        
4.   8                   
5.   13               
6.   15                                             
7.   17                                  
8.   18                
9.   19                       
10.   20                     
11.   22  32                      
12.   30  50                                       
13.   50                                                   