56% (2006)

60% (2012)

62% (1976)

76% (2019)

46% (2017)

62% (1960)

53% (1993)

67% (1985)

73% (2014)

65% (2000)

69% (1990)

58% (1977)

63% (1988)

55% (2003)

71% (1973)

70% (2007)

64% (2015)

77% (2006)

0% (2018)

70% (2014)