70% (2006)

71% (2003)

60% (2005)

60% (2003)

58% (2003)

58% (2002)

45% (2005)

52% (2007)

67% (2002)

68% (2008)

72% (2004)

65% (2003)

0% (2003)

71% (2004)

76% (2004)

56% (2007)

62% (2005)

0% (1970)

70% (2008)

58% (2007)