55% (1996)

67% (2009)

52% (1981)

42% (1984)

76% (1959)

67% (2009)

69% (2022)

57% (2006)

65% (1985)

20% (2004)

66% (2020)

62% (1983)

58% (1979)

47% (1984)

60% (1982)

68% (1977)

62% (1983)

61% (2009)

73% (1978)

38% (1978)