4 | 2 | | | | | | 1963 3 | 1977 9 | 1985 12 | 1977 9 1980 9 | | 1980 9 1982 7 | | 1982 7 1984 9 | | 1984 9 1986 7 | | 1986 7 1992 9 | | 1992 9 1993 11 | | 1993 11 1995 4 | 1995 4 2001 2 | | 2001 2 2003 12 | | 2003 12 2006 2 | | 2006 2 2011 11 | | 2011 11 2014 12 | | 2014 12 2018 7 | | 2018 7 2018 12 | | | 2018 12 | | |