1982
1993
1988
1995
1990
1991
1992
1983
1984
1983
1985
1981
1983
1993
1993
1993
1994
1994
1992
1984
1980
1995
1994
1984
1986
1983
1996
1994
1996
1992
1989
1996
1991
1985
1989
1994
1987
1993
1989
1995
1982
1989
1984
1995
1982
1983
1992
1984
1983
1985
1983
1981
1982
1982
1992
1983
1994
1983
1995
1983
1982
1983
1983
1984
1989
1995
1982
1983
1982
1983
1983
1983
1982
1981
1982
1983
1982
1982
1984
1991
1982
1995
1983
1990
1992
1987
1981
1995
1996
1989
1994
1993
1989
1986
1994
1993
1992
1988
1983
1991
1984
1985
1983
1983
Comments