61% (1996)

35% (2000)

38% (2003)

47% (2001)

64% (2003)

45% (1999)

70% (2004)

40% (2002)

60% (2003)

49% (2003)

44% (2002)

36% (2002)

57% (2002)

27% (2004)

32% (2002)

41% (2002)

0% (2009)

57% (2000)

85% (2001)

82% (2000)