78% (1965)

60% (2020)

58% (2013)

75% (2020)

69% (2011)

53% (1994)

77% (1961)

63% (1992)

71% (1982)

58% (1966)

45% (1980)

62% (1974)

57% (1971)

70% (1967)

54% (1982)

60% (2019)

57% (2007)

45% (1972)

58% (2015)

69% (1995)