       
     
         1952  3           1977           1971  10                                                1971. 10  1974.9                   1974. 9  1977. 9                       1977. 9  1982. 8                                       
1982. 8  1982.12                          1982. 12 1984.3                         1984. 3  1985.4                       1985.4 1993.2                         1985.9  1986.1            1990.9 1991.1               1993.2  1995.6                          1995.6  1997.10                        1995.9  1996.7                     1997.10  1998.3                     1998.3  1999.9                           1995. 9 1998.9                          1999. 9  2001.12                          2001. 12  2002.1                                      2002.1  2003.6                            2003.6 2006.10                                      
2006.10  2007.1                            
2007.12007.7                            2007.7  2008.3                                  2008.3  2008.8                       
2008.82008.9                                2008.9 2008.12                                                            2008.12  2009.1                                     2009.12012.12                                    2012.12                                                                
             