Year	constant 2010 US$
1995	10593807511.8225
1996	12367862640.9603
1997	13195946598.7632
1998	13167247435.4311
1999	13357999345.2164
2000	15831652073.4813
2001	17433113477.6282
2002	18258086358.6759
2003	20228240451.0731
2004	21434895307.3845
2005	22426939268.825
2006	23684113459.4398
2007	24500479046.9261
2008	24694230665.6966
2009	21208288104.7654
2010	22516206547.8356
2011	23022609421.6079
2012	22989366496.908
2013	23707316169.5162
2014	25139859094.2161
2015	27498065132.7756
2016	29041525936.7043
2017	30898898363.0411
2018	31778474427.0644