68% (2011)

75% (2009)

73% (2015)

64% (2010)

75% (2006)

61% (2005)

72% (2011)

67% (2011)

71% (2011)

67% (2014)

75% (2008)

72% (2013)

74% (2014)

60% (2009)

71% (2005)

72% (2005)

66% (2018)

76% (2013)

67% (2016)

59% (2009)