66% (2005)

48% (1991)

42% (1988)

70% (1994)

48% (1990)

61% (1991)

43% (2000)

41% (1999)

47% (2002)

50% (1985)

35% (2005)

38% (1987)

40% (2002)

43% (1998)

0% (1996)

53% (1992)