70% (2006)

71% (2003)

78% (2004)

71% (2004)

67% (2002)

60% (2003)

68% (2012)

45% (2005)

68% (2008)

60% (2005)

71% (2004)

60% (2003)

69% (2008)

56% (2007)

58% (2002)

68% (2002)

42% (2006)

65% (2003)

52% (2007)

76% (2004)