0% (1979)

45% (1992)

35% (1985)

50% (1983)

62% (1988)

50% (1994)

58% (1988)

50% (1986)

72% (1986)

64% (1986)

60% (1986)

0% (2006)

67% (1989)

70% (2007)

45% (1991)

62% (1985)

0% (1985)

35% (1980)

0% (1986)

60% (1988)