80% (1994)

77% (1993)

75% (1994)

75% (1991)

78% (1988)

42% (1971)

76% (1988)

50% (1992)

63% (2017)

57% (1975)

70% (2000)

63% (1989)

75% (1979)

61% (2015)

58% (1997)

64% (2014)

54% (2018)

69% (1985)

56% (2002)

62% (1979)