78% (2007)

70% (2013)

0% (2014)

77% (1986)

77% (2015)

60% (2013)

55% (2008)

72% (2003)

74% (2015)

74% (2014)

58% (2015)

65% (2015)

74% (2007)

66% (2013)

40% (2015)

40% (2013)

40% (2011)

58% (2014)

51% (2010)

50% (2013)