72% (1988)

68% (2004)

58% (2016)

53% (2000)

62% (1981)

57% (1986)

100% (1998)

63% (2009)

47% (1989)

50% (1958)

70% (1974)

74% (2004)

70% (1991)

52% (2010)

54% (2009)

75% (1983)

77% (1954)

60% (2000)

62% (1990)

50% (1957)