59% (2007)

50% (2007)

40% (2010)

61% (2009)

64% (2010)

65% (2010)

70% (2012)

61% (2008)

50% (2012)

72% (2009)

53% (2007)

40% (2007)

49% (2008)

0% (2010)

38% (2008)

60% (2006)