Year	current US$
1992	357141571.817194
1993	421198469.04361683
1994	482926831.0714868
1995	536117566.43515754
1996	600357807.502941
1997	633562419.8143822
1998	626676540.0479376
1999	420147584.43626034
2000	491500639.3228546
2001	577892115.5181215
2002	696340307.9498583
2003	633475248.8012291
2004	758088665.8470682
2005	920709990.8605944
2006	1331551176.3316858
2007	1910713377.6825848
2008	3140393680.3882885
2009	2506883271.7207804
2010	3117792630.405054
2011	4154279316.2898636
2012	4045957191.230418
2013	3699767394.7095313
2014	3187660251.093259
2015	2633293107.0355334
2016	2133187581.7566946
2017	2235174655.8044415
2018	2295856992.2531843
2019	3099940930.7452445
2020	3327235184.447485
2021	3156498229.256539
2022	2652658209.097488
2023	2904901770.127993