83% (2005)

58% (2014)

69% (2011)

75% (1983)

79% (2011)

55% (1971)

0% (2012)

65% (1969)

65% (1992)

80% (2003)

30% (2007)

62% (2009)

82% (2010)

73% (1988)

67% (1992)

80% (2014)

75% (2011)

73% (2014)

80% (2000)

78% (2018)