50% (2003)

56% (2011)

66% (2000)

33% (1998)

15% (2004)

55% (2000)

38% (2000)

54% (2004)

57% (1998)

54% (2003)

65% (1997)

30% (1998)

55% (2000)

35% (2001)

0% (1998)