0% (1985)

100% (1972)

80% (1980)

55% (1979)

80% (1972)

60% (1984)

75% (1989)

60% (1990)

76% (1980)

80% (1981)

70% (1978)

75% (1989)

90% (1982)

67% (1979)

60% (1969)

70% (1980)

0% (1964)

90% (1968)

80% (1982)

50% (1991)