70% (2006)

71% (2003)

59% (2003)

67% (2002)

71% (2004)

68% (2012)

58% (2002)

68% (2008)

71% (2004)

45% (2005)

42% (2006)

60% (2005)

70% (2008)

65% (2003)

56% (2007)

58% (2007)

76% (2004)

60% (2003)

62% (2002)

62% (2005)