71% (2019)

55% (2002)

60% (2002)

60% (2005)

70% (1987)

73% (2014)

51% (1990)

70% (1988)

70% (1972)

64% (1988)

74% (1959)

73% (1928)

68% (2000)

58% (1990)

64% (1999)

79% (1995)

60% (1946)

58% (1978)

50% (2004)

61% (1984)