2004 Least developed countries 793.731991 2004 Low-middle income 60.527224 2004 Other low-income 0.101746 2004 Unallocated by income 20.187131 2004 Upper-middle income 1.891591 2005 Least developed countries 127.371682 2005 Low-middle income 94.694403 2005 Other low-income 0.265971 2005 Unallocated by income 32.658464 2005 Upper-middle income 9.654487 2006 Least developed countries 117.489268 2006 Low-middle income 65.304050 2006 Other low-income 0.244845 2006 Unallocated by income 22.634200 2006 Upper-middle income 10.282450 2007 Least developed countries 136.202283 2007 Low-middle income 66.943732 2007 Other low-income 0.328579 2007 Unallocated by income 41.628270 2007 Upper-middle income 37.749669 2008 Least developed countries 134.949365 2008 Low-middle income 189.991553 2008 Other low-income 0.315250 2008 Unallocated by income 33.571327 2008 Upper-middle income 24.486861 2009 Least developed countries 166.192345 2009 Low-middle income 100.373307 2009 Other low-income 0.218623 2009 Unallocated by income 33.672246 2009 Upper-middle income 11.808782