48% (2010)

57% (2016)

61% (2013)

60% (2013)

62% (2021)

60% (2008)

70% (2000)

71% (2006)

56% (2014)

60% (1983)

59% (2002)

69% (1985)

65% (1990)

60% (1999)

63% (2016)

65% (2004)

62% (1976)

67% (2014)

74% (1993)

76% (2004)