79% (1982)

47% (1994)

62% (1979)

76% (1978)

0% (1974)

61% (1984)

0% (1983)

65% (1964)

55% (1976)

67% (1972)

68% (1966)

46% (1976)

64% (1986)

56% (1967)

67% (1983)

56% (1972)

60% (1966)

57% (1977)

62% (1980)

73% (1974)