60% (1963)

79% (2002)

81% (1990)

64% (2020)

67% (1982)

60% (1989)

78% (2018)

69% (2020)

50% (2010)

76% (2012)

35% (1977)

61% (1981)

62% (2006)

50% (1997)

10% (1995)

67% (1975)

0% (1998)

10% (1969)

70% (2016)

0% (1983)