70% (1954)

67% (1999)

62% (1955)

0% (1985)

76% (1988)

38% (1990)

0% (1950)

57% (1984)

69% (1987)

80% (2008)

90% (1991)

70% (1992)

54% (1985)

64% (1968)

68% (1966)

58% (2003)

66% (1995)

64% (1980)

68% (2015)

68% (1986)