| | | | | | | 1950 9 | | 1979 1 1968 8 | 1968.8 1971 | 1971 1975 | 1975 | 1979 | 1979 1985 | | 1985 | 1989 1989 | 1993 1993 1995 | 1995 | 1996 3 1996 | 3 1996 10 | 1996 | 10 1997 1 | 1997 1 2001 7 | 2001 7 2001 | 9 | 2001 9 | | 2001 10 2001 11 | | 2001 11 2003 6 | | 2003 6 2006 1 | | 2006 1 2006 10 | 2006 10 2008 6 | | 2008.6 | | |