Year	current US$
1970	11023479914.428333
1971	11463571257.485031
1972	15225322288.37691
1973	21448420902.34152
1974	28076440726.853188
1975	31291907246.376816
1976	30471362845.063416
1977	32692608981.380066
1978	37536586371.52778
1979	47766232027.76401
1980	52989895567.41703
1981	45924161110.10993
1982	43933481750.71937
1983	37272249419.9536
1984	34390247360.794876
1985	37099672211.350296
1986	52941935368.89628
1987	71075068050.12802
1988	90727946007.7132
1989	105774511595.22136
1990	138180298726.7385
1991	144398036829.46356
1992	145303702259.06064
1993	111172572885.34448
1994	111534231772.45062
1995	134579663730.9848
1996	139357677656.63995
1997	130592045454.54546
1998	144132976946.20782
1999	157022975618.53317
2000	155220477763.13757
2001	162465405040.15768
2002	185380674456.07877
2003	245917662736.0779
2004	297278970742.4718
2005	334711290969.64966
2006	378463852987.0583
2007	440170136635.29553
2008	454253121811.7186
2009	344727449478.5154
2010	309862407933.3339
2011	296464197587.5492
2012	245443458297.6563
2013	235395641270.5889
2014	243799821433.3325
2015	215380861353.90613
2016	221433753917.51028
2017	245063996974.11807
2018	276338631476.07825
2019	279311129145.0976
2020	261028361170.42874
2021	290609938848.8325
2022	284649577373.542
2023	304828007645.1034