2004 Least developed countries 274.141788 2004 Low-middle income 240.653416 2004 Other low-income 91.156353 2004 Unallocated by income 571.161181 2004 Upper-middle income 82.874387 2005 Least developed countries 282.952886 2005 Low-middle income 444.607111 2005 Other low-income 141.755358 2005 Unallocated by income 523.835782 2005 Upper-middle income 83.729031 2006 Least developed countries 248.657836 2006 Low-middle income 212.926907 2006 Other low-income 143.797478 2006 Unallocated by income 519.291414 2006 Upper-middle income 139.942547 2007 Least developed countries 295.303384 2007 Low-middle income 252.331222 2007 Other low-income 90.423404 2007 Unallocated by income 559.451575 2007 Upper-middle income 77.177863 2008 Least developed countries 290.665694 2008 Low-middle income 313.572862 2008 Other low-income 94.012402 2008 Unallocated by income 781.440817 2008 Upper-middle income 82.156666 2009 Least developed countries 471.018204 2009 Low-middle income 312.873927 2009 Other low-income 108.753161 2009 Unallocated by income 832.801030 2009 Upper-middle income 35.155706