72% (2005)

64% (2006)

55% (2013)

70% (2009)

68% (2003)

58% (2003)

61% (2004)

55% (2004)

55% (2011)

61% (2006)

58% (2004)

56% (2007)

54% (2003)

39% (2012)

56% (2002)

61% (2006)

49% (2003)