60% (1970)

0% (1989)

70% (1974)

0% (1970)

70% (1989)

0% (1991)

46% (1974)

0% (1974)

42% (1989)

80% (1938)

61% (1979)

60% (1984)

50% (1932)

0% (1991)

90% (1971)

55% (1984)

45% (1986)

60% (1970)

60% (1990)

60% (1991)