Year	constant 2010 US$
1993	1411364048.18232
1994	1541704499.75497
1995	1627799903.51693
1996	1939301621.89829
1997	2391030885.30324
1998	2937638208.36704
1999	2518106233.26384
2000	2859849065.02503
2001	3212134977.67038
2002	3978779133.72295
2003	4686672615.54997
2004	4945720900.66801
2005	5703249970.28518
2006	7007401858.73229
2007	7729828515.00287
2008	6716279721.67182
2009	4251358136.4136
2010	4138481545.72136
2011	5561447552.14062
2012	6270082314.33582
2013	6362910297.3788
2014	6196745621.1309
2015	5727724142.25507
2016	5893924180.63595
2017	6633371545.36387
2018	6854782071.39868