55% (1992)

40% (1957)

0% (1974)

57% (1961)

53% (1982)

55% (1983)

0% (1966)

30% (1990)

51% (1969)

63% (1968)

50% (1963)

77% (1973)

72% (1964)

44% (1986)

50% (1961)

49% (1972)

10% (1988)

48% (1982)

61% (1980)

0% (1991)