1983
1989
1992
1994
1988
1991
1986
1988
1993
1983
1983
1987
1991
1988
1987
1989
1992
1988
1995
1989
1990
1992
1989
1985
1991
1993
1982
1990
1989
1991
1994
1995
1991
1989
1989
1982
1995
1989
1995
1990
1988
1993
1996
1991
1996
1993
1988
1992
1993
1991
1993
1982
1986
1989
1990
1989
1987
1992
1995
1985
1982
1990
1995
1996
1988
1990
1986
1989
1992
1986
1995
1988
1991
1991
1994
1993
1995
1992
1989
1992
1992
1996
1993
1992
1992
1987
1995
1989
1988
1989
1981
1987
1989
1992
1988
1993
1985
1994
1990
1986
1987
1992
1996
1987
1990
1989
1988
1988
1993
1992
1986
1985
1987
1992
1990
1990
1994
1988
1988
1991
1991
1992
1985
1983
1988
1988
1989
1982
1989
1994
1988
1982
1992
1994
1990
1990
1990
1992
1
1996
2
1996
1
1992
2
1982
2
1993
1992
5
1993
1
1994
49
1990
2
1990
1
1989
2
1993
2
1
1993
1
1994
1982
97
1996
2
3
1
1988
1
1
1989
1
1988
2
1993
1
1991
1
1989
5
1993
1
1
1985
1
1989
1
1989
2
1989
11
1987
2
1992
1
1983
5
1996
6
1
1994
1
1997
44
1994