70% (2010)

78% (2003)

77% (2008)

74% (1988)

71% (2005)

74% (2006)

67% (2013)

61% (2011)

76% (2017)

80% (2013)

64% (2017)

0% (1999)

74% (2015)

74% (2005)

64% (2014)

82% (2010)

71% (2015)

65% (2003)

68% (2006)

60% (2012)