56% (2013)

74% (2006)

56% (2013)

64% (2004)

54% (2009)

65% (2010)

55% (2011)

59% (2010)

55% (2009)

71% (2010)

49% (2010)

49% (2006)

66% (2002)

17% (2007)

51% (2009)

56% (2012)

45% (2005)