74% (2006)

74% (2005)

64% (2008)

62% (2011)

64% (2011)

58% (2006)

49% (2010)

69% (2005)

62% (2011)

53% (2006)

66% (2007)

63% (2005)

62% (2005)

61% (2006)

54% (2010)

60% (2007)

60% (2006)