| | | | 1954 | 1959 1983 | 9 23 1984 | 9 | | | | 1984 6973 | 2300 4673 | 1988 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1985 | 83 | 200 | | 1986 | 3 | 1381 | 130 230 | 300 | | 1987 | | 6 | | 1710 | | 1988 2 4 | | | | | 1989 | | 1990 | 80％ | 100 | | | 476 | | 1984 1990 | 1000 | 10 1990 | 1395 550 | 7.82 | |