55% (2006)

51% (2000)

57% (1992)

60% (1945)

80% (1997)

88% (1951)

86% (1946)

55% (1917)

50% (1906)

0% (1915)

43% (1992)

52% (1924)

55% (1965)

45% (1994)

70% (1994)

45% (1939)

40% (2007)

46% (1911)

45% (1938)

38% (1907)