2004 Least developed countries 56.796509 2004 Low-middle income 52.511939 2004 Other low-income 13.422338 2004 Unallocated by income 21.978407 2004 Upper-middle income 11.832911 2005 Least developed countries 66.598325 2005 Low-middle income 54.381058 2005 Other low-income 18.349774 2005 Unallocated by income 67.473636 2005 Upper-middle income 12.198469 2006 Least developed countries 78.708563 2006 Low-middle income 63.337404 2006 Other low-income 15.097005 2006 Unallocated by income 27.102391 2006 Upper-middle income 14.077890 2007 Least developed countries 105.259197 2007 Low-middle income 77.623732 2007 Other low-income 17.500846 2007 Unallocated by income 40.210503 2007 Upper-middle income 12.238048 2008 Least developed countries 117.633542 2008 Low-middle income 81.976499 2008 Other low-income 21.981282 2008 Unallocated by income 39.122344 2008 Upper-middle income 17.941340 2009 Least developed countries 108.796314 2009 Low-middle income 86.248954 2009 Other low-income 20.187664 2009 Unallocated by income 41.083322 2009 Upper-middle income 8.987236