81% (2007)

71% (2015)

75% (2015)

74% (2013)

62% (2020)

72% (2014)

80% (2008)

78% (2017)

60% (2011)

60% (2002)

79% (2008)

72% (2005)

76% (2009)

77% (2011)

69% (2008)

46% (2011)

58% (1998)

75% (2013)

65% (2018)

68% (2018)