78% (2000)

59% (1963)

52% (2011)

0% (2009)

71% (2008)

0% (2010)

69% (2005)

76% (2000)

0% (2013)

70% (2005)

72% (2010)

76% (2015)

81% (2010)

78% (1998)

85% (1992)

0% (2006)

75% (2003)

76% (1965)

82% (2006)

78% (1971)