70% (2004)

60% (1996)

81% (1961)

71% (1999)

77% (1997)

76% (2010)

58% (2011)

78% (1974)

63% (2010)

70% (1985)

75% (2001)

56% (2005)

60% (1978)

73% (1994)

72% (2007)

62% (2022)

56% (1982)

70% (2011)

62% (2004)

0% (1970)