Year	constant 2021 international $
1996	14539496041.752571
1997	11926689800.355846
1998	11284874147.219955
1999	11615982484.991524
2000	12335966873.232273
2001	12828309397.723907
2002	13748427157.900549
2003	15177298681.10109
2004	15736890163.665224
2005	16743071319.874346
2006	17902405812.353497
2007	20182541677.71929
2008	22226736550.446808
2009	22385379392.6074
2010	22759308398.873383
2011	23162432819.20214
2012	23192308449.19488
2013	23618254365.12428
2014	24282858656.333206
2015	24570058506.162514
2016	25092619430.544064
2017	25705744127.50821
2018	26532322016.157585
2019	27408859360.662693
2020	26477467928.677906
2021	27712422172.26917
2022	29692768882.537537
2023	30594028468.246113