Group 1, Low Income-low wealth.
Item 1, 2006 2.4.
Item 2, 2007 4.5.
Item 3, 2008 5.7.
Item 4, 2009 4.9.
Item 5, 2010 5.1.
Group 2, Low Income-high wealth.
Item 1, 2006 39.8.
Item 2, 2007 41.6.
Item 3, 2008 43.
Item 4, 2009 43.5.
Item 5, 2010 40.6.
Group 3, High Income-low wealth.
Item 1, 2006 2.
Item 2, 2007 2.2.
Item 3, 2008 3.1.
Item 4, 2009 3.3.
Item 5, 2010 3.
Group 4, High Income-high wealth.
Item 1, 2006 55.8.
Item 2, 2007 51.7.
Item 3, 2008 48.2.
Item 4, 2009 48.3.
Item 5, 2010 51.3.