85% (2006)

52% (1978)

54% (1967)

60% (1984)

0% (2002)

60% (1978)

60% (1948)

40% (1955)

44% (1996)

50% (1974)

54% (2007)

0% (2002)

43% (2008)

50% (1975)

70% (2006)

75% (1949)

60% (1949)

50% (1984)

0% (1954)

0% (2001)