26% (2006)

50% (1994)

65% (2008)

60% (2001)

71% (1981)

64% (2020)

78% (2017)

83% (2019)

81% (2015)

45% (2004)

51% (2016)

71% (1972)

71% (2011)

78% (2013)

74% (1981)

62% (2017)

76% (1983)

65% (2011)

74% (2017)

56% (1998)