35% (1993)

61% (2001)

63% (2005)

60% (1999)

61% (1999)

20% (2000)

30% (2000)

80% (1998)

70% (1998)

10% (1999)

49% (2002)

55% (1997)

60% (1999)

0% (2000)

39% (2003)

25% (2004)

50% (2000)

72% (1995)

58% (1999)

67% (1997)