64% (1999)

67% (1998)

67% (1961)

76% (1970)

58% (2012)

62% (1999)

61% (2002)

64% (1993)

66% (1993)

70% (1991)

46% (1997)

51% (2018)

66% (2008)

61% (2016)

62% (1970)

74% (2002)

65% (2000)

67% (1982)

68% (2007)

62% (1972)