Year	constant 2015 US$
2002	1752437086.092716
2003	1680083885.2097137
2004	1817342163.355409
2005	1508777041.9426053
2006	1216172185.4304638
2007	906543046.357616
2008	577761589.4039735
2009	378790286.9757174
2010	388366445.91611475
2011	344741721.8543046
2012	403262693.1567329
2013	420286975.7174393
2014	437311258.2781457
2015	482000000
2016	855470198.6754967
2017	1029969094.9227374
2018	612874172.1854305
2019	461783664.45916116
2020	118105960.26490064