50% (1963)

73% (1952)

0% (1963)

0% (1985)

50% (1980)

50% (1990)

40% (1996)

50% (1998)

59% (2010)

70% (1998)

0% (1966)

95% (1999)

50% (1986)

75% (1949)

50% (1975)

59% (1984)

55% (1990)

80% (1993)

0% (1955)

56% (2015)