74% (1990)

79% (1999)

62% (1970)

85% (2018)

54% (1997)

63% (2017)

63% (1977)

76% (2003)

76% (1997)

61% (2004)

83% (2005)

77% (2013)

82% (2006)

41% (1985)

55% (1978)

84% (2008)

82% (2018)

34% (1992)

64% (2006)

90% (2008)