68% (1992)

62% (1991)

58% (1969)

72% (1967)

65% (2011)

60% (1958)

28% (1960)

81% (1994)

58% (2019)

42% (1999)

48% (1972)

61% (1969)

70% (2007)

71% (1967)

45% (1987)

70% (1986)

64% (2007)

49% (1995)

57% (2010)

50% (1975)