57% (1991)

75% (1985)

27% (1995)

70% (1989)

13% (1992)

0% (1982)

0% (1986)

70% (1980)

0% (1993)

47% (1994)

52% (1976)

23% (2012)

0% (1994)

0% (1984)

0% (1973)

35% (1997)

0% (1997)

53% (1992)

59% (2002)

0% (1976)