80% (1996)

0% (2003)

54% (2005)

72% (2006)

67% (2004)

76% (1998)

56% (2006)

0% (2004)

83% (2004)

67% (2010)

62% (2005)

63% (2005)

15% (2004)

68% (2005)

21% (2005)

43% (2004)

58% (2005)

66% (2003)

44% (2006)

55% (2003)