69% (2000)

60% (2015)

63% (2016)

58% (1975)

67% (2011)

58% (2008)

65% (2011)

74% (1999)

76% (2009)

71% (2023)

69% (2022)

46% (1988)

54% (1996)

71% (1971)

80% (1990)

67% (2016)

65% (1985)

62% (1983)

60% (1986)

71% (2017)