2004 Least developed countries 3472.259000 2004 Low-middle income 6999.771000 2004 Other low-income 720.462000 2004 Unallocated by income 5316.672000 2004 Upper-middle income 612.752000 2005 Least developed countries 4761.078000 2005 Low-middle income 14875.313000 2005 Other low-income 887.764000 2005 Unallocated by income 5123.322000 2005 Upper-middle income 733.219000 2006 Least developed countries 5467.667000 2006 Low-middle income 8903.575000 2006 Other low-income 1889.389000 2006 Unallocated by income 5019.794000 2006 Upper-middle income 863.618000 2007 Least developed countries 4837.374551 2007 Low-middle income 7457.226218 2007 Other low-income 1427.494940 2007 Unallocated by income 5205.007681 2007 Upper-middle income 867.555311 2008 Least developed countries 7249.322509 2008 Low-middle income 7501.904634 2008 Other low-income 1903.848237 2008 Unallocated by income 6385.807866 2008 Upper-middle income 1381.250094 2009 Least developed countries 8095.217577 2009 Low-middle income 7413.581091 2009 Other low-income 2434.796839 2009 Unallocated by income 6696.704097 2009 Upper-middle income 1352.025181