វិបត្តិជំនួយភូមិមហាសមុទ្រ
1975
1989
1976
1986
1992
1994
1988
1987
1993
1997
1989
1985
1983
1990
1990
1983
1990
1983
1986
1984
1986
1987
1982
1992
1995
1993
1991
1974
1990
1978
94
1996
1978
1988
1989
1987
1992
1982
1993
1994
1993
1974
1986
1990
1987
1974
1990
1992
1985
1987
1984
1983
1991
1974
1975
1986
1981
1992
1989
1989
1989
1968
1979
1993
1990
1986
1987
1983
1983
1987
1989
1977
1981
1974
1986
1977
1982
1993
1995
1991
1988
1988
1973
1993
1990
1993
1989
1982
1992
1986
1988
1962
1951
1986
1987
1976
1984
1988
1975
1976