63% (1971)

69% (1972)

49% (1994)

58% (1998)

67% (2000)

60% (2012)

62% (2020)

62% (1985)

55% (1989)

67% (1948)

69% (1984)

72% (1976)

55% (2014)

54% (2013)

68% (2007)

59% (1992)

63% (2003)

65% (1966)

56% (2001)

71% (2007)