72% (1995)

55% (1997)

80% (1998)

42% (2004)

85% (1998)

68% (1997)

57% (1997)

35% (1993)

44% (1999)

70% (2004)

50% (2001)

58% (2000)

25% (2001)

50% (1997)

50% (2002)

50% (2001)

50% (2000)

25% (2004)

58% (1999)

0% (2003)