64% (1992)

62% (2013)

92% (1993)

88% (2006)

67% (2001)

67% (2005)

74% (1983)

50% (1993)

58% (1979)

45% (1993)

73% (1964)

39% (1988)

62% (1953)

64% (1978)

76% (1962)

0% (2002)

75% (1997)

74% (2004)

35% (2003)

76% (2008)