74% (2002)

80% (2006)

60% (1986)

86% (2001)

63% (2009)

65% (1988)

45% (1975)

79% (2014)

47% (1982)

78% (2003)

90% (2003)

81% (2021)

76% (1981)

80% (1982)

73% (2011)

75% (1979)

85% (2012)

60% (1981)

0% (1977)

79% (2007)