54% (1966)

48% (1979)

47% (2007)

59% (1976)

34% (1976)

51% (1973)

50% (1963)

64% (1968)

35% (1975)

60% (2014)

55% (2011)

61% (1976)

64% (1995)

67% (1992)

54% (1961)

50% (1976)

56% (1984)

66% (2001)

55% (2018)

74% (1962)