71% (2015)

60% (2011)

55% (2009)

83% (2014)

0% (2014)

50% (2013)

77% (1986)

68% (2010)

80% (2004)

80% (2012)

74% (2011)

76% (2013)

69% (2013)

71% (2014)

65% (2016)

50% (2014)

72% (2011)

65% (2015)

72% (2011)

70% (2014)