1989
1995
1989
2000
1992
1993
1976
1974
1974
1994
1998
1987
1996
1992
1977
2007
1979
1996
1992
1985
1979
1982
1975
1978
1975
1978
1982
1995
1992
1977
1975
1995
1979
1978
1976
2011
1989
1977
1985
1980
1974
1993
1979
1983
1986
1977
1996
1988
1983
1973
1976
1976
1982
Comments