Year	constant 2021 international $
1997	6138102116.70988
1998	6453835201.243687
1999	6358602151.163683
2000	6487333534.456532
2001	6435302835.133655
2002	6705093801.387879
2003	6584314227.623149
2004	6853805533.961832
2005	7002586782.38764
2006	7448737650.423318
2007	7726111586.050813
2008	8115314509.7389765
2009	8366421157.721423
2010	8831782350.890762
2011	9166250841.726406
2012	9622310407.241613
2013	10132031921.141844
2014	10524369144.814047
2015	10143651353.112661
2016	10075962585.443262
2017	10138110506.047724
2018	10319824355.283012
2019	10516623093.448217
2020	10585073501.724985
2021	10879490984.45076
2022	11098327838.544956
2023	11370804423.784756