55% (2018)

70% (1969)

66% (2013)

58% (2014)

58% (1970)

43% (1984)

49% (1970)

55% (1970)

40% (1967)

58% (1972)

54% (1972)

57% (1966)

50% (1968)

64% (1971)

60% (1968)

58% (1973)

43% (1972)

38% (1960)

80% (1971)

55% (1980)