54% (1975)

71% (1969)

73% (2004)

75% (1997)

74% (1983)

56% (1992)

67% (1968)

70% (1996)

75% (2018)

53% (1979)

90% (2017)

81% (1982)

67% (2007)

75% (1988)

70% (2004)

62% (2012)

54% (1971)

69% (1974)

69% (2007)

0% (2002)