2004 Least developed countries 0.000000 2004 Low-middle income 0.000000 2004 Other low-income 0.000000 2004 Unallocated by income 0.000000 2004 Upper-middle income 0.000000 2005 Least developed countries 0.000000 2005 Low-middle income 0.000000 2005 Other low-income 0.000000 2005 Unallocated by income 0.000000 2005 Upper-middle income 0.000000 2006 Least developed countries 94.245100 2006 Low-middle income 208.505900 2006 Other low-income 43.335380 2006 Unallocated by income 44.742200 2006 Upper-middle income 10.526490 2007 Least developed countries 123.834683 2007 Low-middle income 273.183981 2007 Other low-income 45.757027 2007 Unallocated by income 59.502182 2007 Upper-middle income 23.040247 2008 Least developed countries 148.901042 2008 Low-middle income 228.516730 2008 Other low-income 78.864893 2008 Unallocated by income 90.499600 2008 Upper-middle income 31.891130 2009 Least developed countries 165.223842 2009 Low-middle income 221.640912 2009 Other low-income 85.076300 2009 Unallocated by income 100.464294 2009 Upper-middle income 42.880442