Year	current US$
1990	336581272.08480567
1991	535510204.0816326
1992	352963268.51306224
1993	268873318.9655172
1994	376490853.6664998
1995	499461397.75244856
1996	495196019.61678123
1997	408214950.9534332
1998	409024547.56627005
1999	406363233.1811906
2000	380918467.19707656
2001	361508472.14564437
2002	408672649.6334285
2003	570742107.2224207
2004	656588625.6109678
2005	609349751.7220862
2006	616780945.6571522
2007	744648698.2050475
2008	1134001134.001134
2009	974975949.8600641
2010	952062531.8164468
2011	981351806.1216357
2012	887278725.8366786
2013	1084742515.7465162
2014	1156402190.3075795
2015	978967653.5899667
2016	978975619.3622215
2017	890233097.4708014
2018	1074306407.4866714
2019	1025184176.8097373
2020	1059224581.7082399
2021	1000668724.7004241
2022	1015341311.6093463
2023	1031007815.0999964