64% (2006)

70% (2009)

72% (2005)

67% (2003)

59% (2003)

55% (2013)

61% (2006)

54% (2003)

61% (2004)

55% (2011)

58% (2004)

61% (2006)

54% (2004)

56% (2007)

54% (2002)

50% (2003)

39% (2012)