70% (2009)

68% (2009)

70% (2005)

70% (2019)

79% (1994)

72% (2016)

60% (2003)

74% (2014)

76% (1979)

70% (2015)

84% (2002)

82% (1994)

78% (1994)

70% (1974)

58% (2004)

65% (1961)

65% (2018)

64% (2006)

50% (2013)

0% (2002)