70% (2006)

71% (2003)

59% (2003)

67% (2002)

71% (2004)

60% (2005)

58% (2002)

68% (2012)

45% (2005)

71% (2004)

68% (2002)

42% (2006)

76% (2004)

68% (2008)

56% (2007)

60% (2003)

69% (2005)

65% (2003)

58% (2007)

62% (2005)