| | | 89% 1950 | | | 1. | 1956 | | | 1956 | 2.58 | 2. | 1965 | | 1958 | | 1962～1975 | 61.96 | 3. | 1976～1989 | 240 | | | | 1985 | | | | | 18 | | 10 | | | | 2000 432.9 | |