2004 Least developed countries 274.546030 2004 Low-middle income 263.234480 2004 Other low-income 68.531710 2004 Unallocated by income 136.961060 2004 Upper-middle income 48.857820 2005 Least developed countries 298.955937 2005 Low-middle income 1371.903089 2005 Other low-income 544.081428 2005 Unallocated by income 96.667486 2005 Upper-middle income 60.128239 2006 Least developed countries 298.293563 2006 Low-middle income 878.115717 2006 Other low-income 779.751564 2006 Unallocated by income 93.888068 2006 Upper-middle income 296.822912 2007 Least developed countries 355.771248 2007 Low-middle income 844.466901 2007 Other low-income 41.983604 2007 Unallocated by income 147.817947 2007 Upper-middle income 180.232467 2008 Least developed countries 470.486148 2008 Low-middle income 1192.899824 2008 Other low-income 41.021594 2008 Unallocated by income 172.050335 2008 Upper-middle income 185.545722 2009 Least developed countries 380.585247 2009 Low-middle income 316.542353 2009 Other low-income 99.709074 2009 Unallocated by income 168.018844 2009 Upper-middle income 86.612281