72% (2009)

70% (2012)

40% (2007)

74% (2006)

53% (2007)

50% (2007)

49% (2008)

65% (2010)

0% (2008)

64% (2010)

38% (2008)

59% (2007)

40% (2010)

50% (2012)

60% (2006)

0% (2010)