74% (2006)

74% (2005)

65% (2008)

62% (2011)

69% (2005)

64% (2011)

65% (2007)

48% (2009)

53% (2006)

62% (2011)

62% (2005)

58% (2006)

60% (2006)

63% (2005)

54% (2010)

60% (2007)

60% (2006)