76% (2018)

56% (1950)

30% (2007)

77% (2003)

87% (1999)

76% (2001)

76% (2009)

61% (1998)

65% (2012)

76% (2001)

84% (1988)

38% (1965)

53% (1981)

100% (1999)

85% (2014)

86% (2004)

80% (1999)

80% (2010)

67% (1978)

30% (1950)