| | | | | | | | 1965 | 1967 | | | 1975 | | | | | 14 | | | | 1952 1957 | | 1958 1978 | | | | 1964 1984 4％ | 7％ 12％ | | 1979 1990 | | | 3 | | | | | | 8％ 95％ 15％ | | 1984 | 1988 7 | 9.5％ 10.5％ 16％ | 1990 2.03 | 90％ 7.5％ 2.5％ | | 88.4％ | |