80% (1976)

70% (1990)

44% (1999)

65% (1982)

69% (1998)

47% (1974)

0% (1996)

62% (1992)

65% (1979)

0% (1990)

0% (1986)

50% (1976)

0% (1972)

0% (1962)

62% (1990)

60% (1972)

64% (2001)

66% (1963)

68% (1997)

60% (1978)