72% (2005)

55% (2013)

55% (2011)

70% (2009)

54% (2004)

61% (2004)

61% (2006)

67% (2003)

64% (2006)

58% (2003)

58% (2004)

56% (2007)

55% (2003)

61% (2006)

39% (2012)

54% (2002)

50% (2003)