65% (2004)

74% (2009)

76% (2007)

79% (1993)

64% (2007)

71% (2016)

70% (2001)

77% (2013)

76% (2008)

80% (2014)

75% (2004)

30% (2000)

74% (2012)

0% (2005)

0% (1997)

67% (1987)

75% (1998)

72% (1993)

76% (2013)

77% (2011)