Year	constant 2015 US$
1990	4317186300.19396
1991	4339856400.842936
1992	3964509518.221913
1993	3589293700.0307665
1994	2993359204.612078
1995	2688050577.041582
1996	2814705792.6290426
1997	3309930849.414846
1998	3657895465.944485
1999	3976576304.710845
2000	4230286968.4414515
2001	4536457211.754283
2002	4815889976.169114
2003	5314639837.687971
2004	6358973904.77921
2005	7274665815.695164
2006	8264020341.728902
2007	8949934279.435656
2008	10265575020.517042
2009	10039732571.666416
2010	11124097651.884663
2011	12212779238.779387
2012	13061291938.044811
2013	12378184560.502708
2014	12459022055.290674
2015	11654534506.175125
2016	11648309304.902206
2017	12459500916.92705
2018	12451839130.744997
2019	12608426885.840704
2020	12628060212.932213
2021	13359760793.31826
2022	12567149012.784895
2023	13729441976.60231