2004 Least developed countries 522.215083 2004 Low-middle income 305.810373 2004 Other low-income 72.843724 2004 Unallocated by income 1095.717942 2004 Upper-middle income 54.725565 2005 Least developed countries 567.728038 2005 Low-middle income 348.716232 2005 Other low-income 113.345273 2005 Unallocated by income 819.566423 2005 Upper-middle income 64.454369 2006 Least developed countries 704.808692 2006 Low-middle income 681.144517 2006 Other low-income 149.665206 2006 Unallocated by income 1193.150098 2006 Upper-middle income 92.997490 2007 Least developed countries 749.021487 2007 Low-middle income 501.296483 2007 Other low-income 162.217743 2007 Unallocated by income 1410.038033 2007 Upper-middle income 101.905239 2008 Least developed countries 902.848227 2008 Low-middle income 439.981294 2008 Other low-income 169.613637 2008 Unallocated by income 1540.662218 2008 Upper-middle income 92.614561 2009 Least developed countries 805.293440 2009 Low-middle income 442.906013 2009 Other low-income 158.625677 2009 Unallocated by income 1557.034353 2009 Upper-middle income 64.307875