54% (1979)

75% (2018)

75% (1983)

70% (1974)

48% (2013)

67% (1968)

46% (1987)

70% (1980)

62% (1975)

71% (1969)

55% (1992)

58% (1968)

71% (1971)

56% (1975)

74% (1988)

43% (2002)

95% (1967)

30% (1981)

56% (1971)

64% (2001)