10% (1993)

43% (2000)

50% (1995)

0% (1993)

65% (1996)

66% (1983)

0% (2006)

41% (1979)

60% (2004)

58% (2006)

90% (1993)

62% (1997)

37% (2004)

60% (1976)

70% (1978)

20% (1995)

55% (1978)

0% (1981)

50% (2001)

0% (1988)