71% (2003)

70% (2006)

67% (2002)

59% (2003)

71% (2004)

71% (2004)

60% (2005)

68% (2008)

52% (2007)

76% (2004)

45% (2005)

58% (2002)

42% (2006)

58% (2007)

65% (2003)

56% (2007)

68% (2012)

58% (2002)

60% (2003)

70% (2008)