74% (2000)

70% (2001)

44% (2008)

60% (2001)

37% (2001)

60% (2001)

50% (2001)

70% (2001)

55% (2001)

54% (2000)

85% (2002)

68% (2000)

52% (2000)

60% (2000)

48% (2000)

40% (2000)