58% (1974)

73% (1955)

78% (1976)

63% (2020)

65% (1981)

63% (1990)

67% (1996)

53% (1996)

58% (2004)

71% (2015)

65% (1995)

63% (2000)

62% (1971)

57% (1992)

70% (2013)

55% (1993)

70% (1957)

77% (1953)

65% (1953)

70% (1957)