69% (2012)

75% (2013)

79% (2004)

74% (2013)

73% (2011)

78% (2012)

68% (2014)

74% (1999)

72% (1994)

78% (2018)

70% (2008)

55% (1999)

66% (1997)

67% (2016)

70% (2016)

59% (2011)

72% (2017)

68% (2009)

58% (2014)

51% (1997)