70% (2010)

79% (2003)

71% (2005)

70% (2016)

77% (2008)

80% (2013)

67% (2013)

74% (2015)

71% (2011)

76% (2017)

73% (2015)

82% (2010)

74% (2006)

68% (2006)

74% (1988)

60% (2012)

61% (2011)

69% (2004)

63% (2014)

69% (2021)