Year	constant 2010 US$
1995	39524735131.2153
1996	41766165686.8063
1997	44660276589.4312
1998	45221136208.2162
1999	44189588585.1403
2000	45950125906.5613
2001	47566901990.719
2002	50180347787.8935
2003	52100282576.8286
2004	55007336577.3721
2005	56986264075.8985
2006	59621755257.7762
2007	62956119771.6685
2008	63766899685.7564
2009	58816055889.1525
2010	58189949963.6231
2011	58031944227.4929
2012	56552327498.5878
2013	56825744717.6128
2014	56801509163.7092
2015	58958041192.2764
2016	59460845115.5863
2017	62102204684.8353
2018	63317753457.0474