70% (2006)

71% (2003)

59% (2003)

67% (2002)

72% (2004)

60% (2005)

45% (2005)

68% (2008)

71% (2004)

60% (2003)

68% (2002)

42% (2006)

52% (2007)

70% (2008)

58% (2002)

65% (2003)

56% (2007)

76% (2004)

69% (2012)

59% (2002)