50% (2003)

0% (1915)

60% (1964)

0% (1940)

58% (1929)

0% (1970)

60% (1932)

47% (1936)

62% (1961)

45% (1980)

0% (1925)

40% (1935)

54% (1967)

44% (1953)

59% (1961)

0% (1970)

28% (1930)

60% (1930)

57% (1932)

57% (1943)