Year	current US$
1983	2626695814.4779243
1984	2475355649.373447
1985	2370751014.263045
1986	2658695291.0112796
1987	3083700235.329012
1988	3538026218.35289
1989	3405241046.6565866
1990	3133639408.4025974
1991	2668014598.093839
1992	1806705839.198162
1993	1159996936.3216295
1994	972230433.7692177
1995	1064877784.8344953
1996	1276918212.58314
1997	1355544187.3654637
1998	1226533783.6345632
1999	1133862001.5278645
2000	1115885938.1976216
2001	1168592644.4836082
2002	1293142869.6754391
2003	1517095332.6525784
2004	1894036113.259734
2005	2264259122.8838854
2006	2861568995.0634923
2007	3646103475.8842597
2008	4734285019.505515
2009	4782221498.584808
2010	5437357271.328418
2011	7173895900.0431795
2012	10305289418.486063
2013	12492493729.259945
2014	12389164465.15921
2015	11403259105.820614
2016	10678416260.521854
2017	10075849819.273352
2018	11706074335.375715
2019	12413802372.733315
2020	12271274244.889454
2021	12474522178.239729
2022	14468414681.779423
2023	17068915664.326082