Year	constant 2015 US$
1990	2548047162.630349
1991	2930900534.5324783
1992	2892918451.765116
1993	2568866333.628543
1994	2368868945.458461
1995	2179958626.1878552
1996	1462503752.272363
1997	1397981528.007913
1998	1373054441.92396
1999	1351887202.4244752
2000	1381500094.2541287
2001	1464391951.8788571
2002	1733131736.5611727
2003	2235736562.9878755
2004	2562868732.449568
2005	2868784638.9275575
2006	3104025061.07015
2007	3398907441.890659
2008	3214908193.8090186
2009	3625898199.6551294
2010	3272799166.3926177
2011	3446388807.2080965
2012	3904704069.961297
2013	4049936949.783539
2014	4295877022.16847
2015	4706919239.435892
2016	4858140839.773157
2017	4910683261.289768
2018	5008268904.870245
2019	5125724623.09633
2020	5504025689.943596
2021	6001039776.611288
2022	6503951526.999656
2023	6703844258.446901