0% (1985)

25% (1988)

50% (1999)

52% (1984)

58% (1978)

0% (1982)

60% (1989)

60% (1994)

53% (1978)

57% (1987)

50% (1982)

35% (1979)

0% (1990)

0% (1996)

0% (1997)

0% (1984)

60% (1983)

58% (1992)

80% (1978)

0% (1986)