  
  
2021/12/18
               1974  4                              1991 12     1999  6                                 1991 12  1996  7              1992  9  1994 7                                 1996  7  2000  5                     1999  9  2001  7                    2000  5  2008 12              2005  6               2008 12              2008  12  2016 1              2010 3             2012 4         2011  9  2014  7               2013  3  2013  6             2014 1  2014 12                                  2016  1  2017  6                              2017  6                       
          