Year	constant 2015 US$
2000	63083472489.0974
2001	66954213110.75528
2002	69173965644.2848
2003	74382323683.93054
2004	78988085117.5471
2005	87122025734.74876
2006	94215305174.98465
2007	102147583409.79962
2008	108028909084.84348
2009	100635088427.74422
2010	103397593707.33795
2011	107535168747.40483
2012	112481843099.2419
2013	116582633698.90689
2014	118473526578.98245
2015	122407016320.86565
2016	127447892343.58737
2017	134214757880.1301
2018	136898859041.02638
2019	142530010708.85294
2020	131354774723.9371
2021	137079204328.30702
