42% (1983)

50% (1971)

48% (1976)

43% (1975)

48% (1974)

69% (1982)

54% (1978)

49% (1981)

50% (1973)

40% (1979)

50% (1976)

56% (2015)

69% (1981)

27% (2000)

47% (1980)

0% (1993)

55% (1966)

50% (1975)

46% (1970)

43% (1994)