42% (1985)

60% (1968)

60% (1977)

54% (1961)

59% (1982)

0% (1983)

54% (1954)

0% (1974)

55% (1976)

54% (1970)

70% (1986)

67% (1973)

37% (1959)

59% (1966)

50% (1981)

50% (1980)

0% (1977)

0% (1983)

0% (1964)

40% (1984)