63% (1994)

51% (1974)

58% (1961)

56% (1977)

30% (1959)

73% (1970)

68% (1978)

64% (1972)

77% (1971)

57% (1972)

47% (1991)

34% (1976)

57% (1976)

32% (1975)

47% (1974)

39% (1980)

71% (2019)

68% (2020)

66% (1969)

55% (2011)