50% (1964)

66% (1956)

52% (1999)

57% (1968)

47% (1971)

27% (1975)

44% (1979)

68% (2013)

74% (2023)

55% (2022)

57% (1989)

43% (1992)

43% (1976)

66% (1968)

48% (2007)

75% (2014)

69% (1971)

59% (1988)

40% (1966)

55% (2010)