Year	constant 2010 US$
1993	4433582895.48891
1994	3480601080.85811
1995	3314522140.31348
1996	3557965331.88804
1997	3340278057.26825
1998	3479960809.54699
1999	3633669892.34279
2000	3694095557.77843
2001	3692093474.88194
2002	3751355736.64261
2003	4157845674.67632
2004	4535381442.26353
2005	4873360321.65323
2006	5942153204.38643
2007	6230708204.8604
2008	6959361240.50772
2009	6204875011.16154
2010	6238619972.45688
2011	6733392793.57505
2012	7857940295.08878
2013	8367467268.99044
2014	8857484043.99775
2015	8753832553.05722
2016	8919661527.81161
2017	9459001310.30364
2018	9992622489.6316