                                                                                                         
 
                                4  5                                             
 
                 1990                                                                                                                              400                                                                                                          13             
 
                                                                                                                                                                                                                                                                                                                                                                   
 
                 85    22     9   4         20                                                                               7                                                                                                                                                                        
 
                               90                                                10                                                                                                
 
                                                                         20                                  10      10                  
 
                                                                                                          60  70                                                     
 
              10                                                                                    (  )    (   )           
 
           2016.1.31