59% (2011)

55% (1995)

66% (1994)

55% (1978)

40% (1978)

70% (1984)

76% (1975)

60% (2008)

50% (1997)

42% (1999)

50% (1977)

40% (1991)

67% (1976)

52% (1992)

0% (1960)

30% (1952)

0% (1980)

80% (1996)

62% (1950)

0% (1954)