63% (2004)

67% (2003)

59% (2005)

68% (2008)

49% (2008)

71% (2007)

49% (2008)

20% (2008)

0% (2008)

47% (2004)

0% (2008)

55% (2005)

15% (2008)

53% (2007)

50% (2006)

62% (2005)

75% (2008)

49% (2004)

48% (2009)

58% (2008)