71% (2002)

52% (1980)

63% (1999)

58% (1987)

53% (2001)

61% (1977)

70% (1987)

57% (1995)

61% (1999)

72% (2014)

51% (1990)

71% (1925)

70% (1972)

73% (1974)

73% (1928)

53% (1983)

60% (1946)

65% (2018)

58% (2008)

60% (1993)