63% (2010)

67% (2017)

72% (2018)

73% (2016)

64% (2009)

74% (1994)

76% (2008)

68% (2009)

61% (2013)

62% (2008)

69% (1999)

67% (1997)

48% (2008)

65% (2002)

79% (2018)

76% (2013)

74% (1996)

75% (1997)

72% (2019)

73% (2010)