0% (1982)

57% (1991)

75% (1985)

70% (1989)

53% (1992)

27% (1995)

66% (1981)

47% (1994)

85% (1986)

0% (1986)

0% (1984)

59% (2002)

70% (1980)

20% (1987)

35% (1997)

13% (1992)

0% (1993)

0% (1991)

52% (1976)

0% (1994)