Year	constant 2015 US$
1989	1337445631.5618153
1990	1296067835.526876
1991	1243566089.3499954
1992	1148202527.8265774
1993	934751000.6629324
1994	1088906643.919255
1995	1222911262.4614673
1996	1407715692.167457
1997	1907582183.698499
1998	2413875846.7300878
1999	2173707932.6460943
2000	2596613982.564885
2001	2298436874.2749186
2002	2386025253.0743484
2003	2505819502.137957
2004	2304375887.831881
2005	2812475397.2620907
2006	3365904548.377474
2007	3258925048.8912463
2008	3008762209.5528526
2009	2609081082.5681996
2010	2413450941.695118
2011	2762935332.957672
2012	3520434784.0498524
2013	3146035506.6458945
2014	3553461493.586131
2015	2913400000
2016	3067910921.8071527
2017	3369110650.004972
2018	3194320169.71063
2019	3282584533.792966
2020	2298349961.881401
2021	2569420060.326825
2022	2449384387.947893
2023	2553775829.4938507