57% (2009)

59% (2007)

52% (2008)

0% (2010)

46% (2008)

54% (2009)

0% (2009)

43% (2006)

76% (2008)

39% (2006)

60% (2008)

53% (2007)

63% (2008)

0% (2007)

0% (2007)

60% (2009)

64% (2009)

35% (2008)

0% (2007)

50% (2006)