69% (1988)

66% (1977)

57% (2015)

53% (1971)

60% (1969)

66% (1965)

58% (2017)

69% (1956)

66% (1971)

60% (2023)

57% (2016)

60% (1985)

55% (1976)

46% (2008)

56% (1991)

57% (1977)

45% (2015)

59% (2013)

58% (1966)

64% (2005)