37% (2002)

62% (2012)

100% (1987)

81% (1990)

64% (2008)

68% (1963)

73% (1994)

95% (2017)

83% (1976)

72% (2000)

0% (2003)

53% (2003)

65% (2008)

72% (2011)

56% (1991)

45% (1970)

66% (2007)

38% (1987)

72% (1992)

70% (2004)