Year	constant 2010 US$
2000	21025600520.0218
2001	22554989996.827
2002	23854237162.7838
2003	24931784605.6733
2004	25734463709.7396
2005	28736232598.5813
2006	29725634877.8618
2007	32509977348.9965
2008	36429366715.6513
2009	37544729765.198
2010	40777782029.3496
2011	43717192270.8126
2012	45868551565.4561
2013	47654628941.039
2014	49204111479.1162
2015	50268950751.0466
2016	51331786606.5099
2017	52534590177.8959
2018	54405171547.1362