43% (2005)

50% (1966)

0% (2010)

45% (2008)

0% (1958)

67% (1997)

48% (1969)

46% (1997)

48% (2008)

40% (1946)

0% (1952)

0% (1949)

30% (2006)

51% (1970)

70% (2002)

70% (2008)

48% (1958)

42% (1974)

10% (1937)

0% (1923)