40% (1999)

60% (1999)

10% (1995)

35% (2007)

36% (2003)

20% (1983)

10% (1995)

85% (1986)

55% (1990)

60% (1996)

70% (2007)

35% (1990)

53% (1999)

0% (1989)

0% (1984)

10% (2001)

66% (1995)

0% (1987)

0% (1990)

0% (2006)