74% (2011)

79% (2000)

0% (2016)

78% (2003)

69% (2002)

92% (1980)

78% (2008)

0% (2015)

69% (2009)

51% (1995)

78% (1969)

86% (1993)

82% (2010)

78% (1991)

80% (1987)

73% (1994)

100% (2014)

74% (2004)

71% (1969)

92% (2010)