Year	constant 2010 US$
2002	679031390.134529
2003	665156950.672646
2004	556609865.470852
2005	585174887.892377
2006	546000000
2007	553345291.47982
2008	550896860.986547
2009	432556053.811659
2010	364000000
2011	321560538.116592
2012	336251121.076233
2013	334618834.080718
2014	349309417.040359
2015	375426008.96861
2016	370529147.982063
2017	292179372.197309