2 26 | 26 | | | | | | 1961 12 | | 1985 | 10 1981 8 | | 1981 8 1984 8 | | 1984 8 1987 8 | | 1987 8 1990 10 | | 1990 10 1993 11 | | 1993 11 1996 8 | | 1996 8 1998 12 | | 1998 12 2002 5 | | 2002 5 2005 1 | | 2005 1 2010 9 | | 2010 9 2011 8 | | 2011 8 2015 11 | | 2015 11 2018 12 | | | 2018 12 2019 2 | | | 2019 2 | | |