67% (2002)

41% (2006)

62% (2001)

57% (2002)

78% (1998)

60% (2001)

67% (2005)

75% (2001)

58% (2002)

66% (2000)

46% (1999)

30% (2000)

47% (2000)

65% (2006)

54% (1999)

61% (1999)

37% (2000)

56% (2003)

57% (2002)

0% (2003)