70% (2003)

61% (2006)

57% (2012)

70% (2010)

72% (2005)

64% (2006)

70% (2008)

50% (2004)

80% (2010)

0% (2003)

58% (2012)

55% (2008)

56% (2007)

65% (2009)

49% (2007)

53% (2007)

65% (2006)

0% (2006)