1993
1
1993
1991
1
1993
1991
1992
1992
1992
1993
1989
1986
1989
1991
1991
1994
1993
1981
1987
3
1994
1988
1992
1993
1993
1992
1995
1993
1985
1989
6
1983
1991
1995
1982
1987
1
1991
1986
1988
1992
1993
1
1986
1991
1984
1989
1996
1986
1986
1984
1989
1984
1989
1991
1992
1984
1984
1987
1991
1990
1988
1
1990
1989
1992
1985
1989
1984
1984
1
1984
6
1992
4
1993
1
1987
1983
3
1994
2
1992
1984
1990
1991
1984
5
1993
1
1986
1987
1993
1993
1992
1986
1992
1988
1
1993
1984
1987
1
1994
1
1993
2
1992
1985
1993
1984
1989
1991
1996
1994
1993
1989
1988
1992
1983
1982
1990
1991
1993
1988
1990
1990
1
1989
28
1993
1989
1990
1991
1987
1986
1991
1993
1989
1984
1987
1993
1993
10
1992
1986
1990
1983
1993
1992
1995
1989
1984
1995
1990
1990
1993