57% (2009)

59% (2007)

63% (2008)

0% (2007)

35% (2008)

52% (2008)

42% (2006)

52% (2007)

0% (2007)

76% (2008)

46% (2008)

0% (2005)

0% (2009)

0% (2008)

0% (2005)

0% (2005)

60% (2009)

50% (2006)

55% (2006)

0% (2007)