79% (2007)

70% (2013)

72% (2003)

60% (2013)

77% (1986)

74% (2007)

0% (2014)

74% (2015)

40% (2013)

77% (2015)

83% (2009)

80% (2007)

55% (2008)

58% (2015)

66% (2013)

36% (2015)

58% (2015)

51% (2010)

100% (2013)

40% (2011)