48% (1997)

50% (1977)

71% (2012)

60% (1961)

50% (1955)

68% (2023)

60% (1996)

66% (1992)

53% (1955)

83% (2005)

62% (1993)

48% (2010)

57% (1955)

64% (1976)

50% (1963)

57% (1963)

62% (1979)

50% (1959)

64% (1952)

66% (2016)