Year	current US$
1981	28129364904.77426
1982	29792209084.309135
1983	25809881223.466774
1984	26148131258.418316
1985	27656357796.83095
1986	26820440832.421463
1987	28901575418.22301
1988	32951168542.772053
1989	37099304890.26315
1990	39144362157.915306
1991	41531568127.86138
1992	49310823239.06265
1993	51034305745.58657
1994	59542350018.07726
1995	69287480724.37201
1996	77311475074.47713
1997	77364394972.1109
1998	63262253908.67152
1999	72077146640.01364
2000	69262324269.5269
2001	66013042872.887436
2002	70290665441.7901
2003	72621826215.00415
2004	78605220177.2533
2005	88964221984.25676
2006	105114885875.90436
2007	127105253344.58574
2008	148932661035.88705
2009	146086883752.25946
2010	166513516728.92087
2011	191694782158.12445
2012	218303253325.1304
2013	235150232853.67108
2014	243446242443.4883
2015	255528448685.84027
2016	267046249000.68356
2017	274297885810.8092
2018	293378318401.1524
2019	322840411795.68616
2020	326771628041.3451
2021	357988180675.0306
2022	367836292987.38385
2023	396789275624.5362