64% (2002)

58% (2015)

73% (1966)

73% (1988)

67% (1972)

66% (2019)

46% (2017)

72% (1973)

67% (1995)

70% (1981)

73% (1976)

66% (2007)

64% (1969)

70% (1970)

55% (1976)

56% (1986)

60% (1996)

57% (1975)

63% (1979)

63% (1990)