Year	constant 2015 US$
1993	3438613463.4515004
1994	3704634290.1369977
1995	3928426405.409822
1996	4329955793.390741
1997	4260710493.2279525
1998	4659415043.437672
1999	4967973663.991555
2000	5234499593.22935
2001	5372424729.191725
2002	5702107733.389152
2003	6151948250.774715
2004	6850140823.9883795
2005	7662264817.47812
2006	8138773611.929551
2007	8893282093.076645
2008	9979609722.581726
2009	10101827874.011232
2010	11016461716.722656
2011	12140921718.008026
2012	12714521687.880413
2013	13441874450.091747
2014	14023194166.61237
2015	14837626913.89589
2016	15826342785.354614
2017	16572250608.240347
2018	17678941726.290527
2019	18759596206.035576
2020	18200861425.78301
2021	18493100679.044758
2022	17988030976.00761
2023	14962382137.42869