82% (2007)

76% (2015)

62% (2020)

74% (2013)

79% (2008)

79% (2017)

79% (2008)

76% (2009)

72% (2014)

66% (2018)

77% (2011)

68% (2018)

60% (2002)

46% (2011)

72% (2005)

75% (2013)

74% (2015)

69% (2008)

70% (2000)

70% (2012)