100% (1993)

42% (1992)

48% (2005)

55% (2002)

39% (1997)

43% (2005)

0% (1990)

55% (1989)

0% (1995)

50% (2003)

48% (2002)

45% (1992)

52% (2001)

53% (2000)

61% (2004)

35% (1994)

35% (1994)