58% (1992)

75% (1992)

66% (2017)

55% (1981)

64% (2015)

61% (1993)

73% (1987)

69% (1989)

58% (2016)

63% (2003)

60% (1987)

60% (2012)

76% (1988)

62% (2003)

73% (1976)

70% (1982)

52% (1979)

72% (1996)

63% (1985)

73% (2010)