71% (2003)

70% (2006)

59% (2003)

67% (2002)

72% (2004)

60% (2005)

45% (2005)

60% (2003)

68% (2008)

42% (2006)

68% (2002)

71% (2004)

70% (2008)

58% (2002)

52% (2007)

65% (2003)

56% (2007)

76% (2004)

59% (2002)

69% (2012)