63% (1977)

55% (1983)

52% (2022)

65% (2007)

65% (2024)

50% (1971)

64% (1979)

71% (1992)

60% (1984)

34% (1999)

60% (1976)

58% (1965)

64% (1970)

52% (1971)

51% (1969)

54% (1969)

57% (1974)

60% (1968)

63% (2010)

60% (1987)