56% (1972)

60% (2021)

60% (2009)

47% (1998)

50% (2018)

64% (1975)

46% (1979)

65% (1969)

38% (1977)

57% (2007)

70% (1976)

72% (1976)

58% (1990)

57% (1973)

60% (2020)

53% (2006)

68% (1978)

75% (1951)

77% (1962)

52% (2018)