60% (1966)

50% (1979)

10% (1999)

69% (1982)

0% (1972)

0% (1986)

87% (1990)

60% (1973)

75% (1973)

60% (1964)

53% (1962)

0% (1971)

50% (1994)

60% (1997)

62% (2004)

0% (1989)

50% (1972)

0% (1960)

0% (1987)

30% (2005)