72% (1973)

64% (1985)

52% (2022)

55% (1976)

58% (1975)

60% (1984)

65% (2007)

71% (1992)

55% (1983)

30% (1993)

51% (1969)

56% (1974)

64% (1970)

63% (1977)

62% (1973)

63% (2010)

68% (1970)

51% (1964)

61% (1996)

80% (2011)