62% (1971)

0% (1990)

53% (1955)

100% (1971)

48% (1980)

42% (1960)

74% (1970)

50% (1968)

62% (1951)

50% (1964)

59% (1967)

60% (1978)

60% (1967)

70% (1980)

45% (1973)

0% (1966)

54% (1968)

50% (1973)

51% (1986)

47% (1978)