1

1

1

1

1

2

1

0

6

1981 1

1987 1

1987 1

1987 1

1987 1

1987 1

1987 1

1987 1

1987 1

1987 1

1987 1

1988 1

1988 1

1988 1

1988 1

1988 1

1988 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1986 1

1987 1

1987 1