78% (2022)

76% (1987)

56% (2019)

63% (1990)

67% (2004)

68% (2008)

74% (2009)

59% (2001)

65% (1997)

77% (1979)

76% (1997)

58% (2003)

72% (2001)

66% (1985)

67% (1982)

67% (1986)

60% (1990)

61% (1986)

63% (1978)

50% (1975)