Year	current US$
1970	95630000.24668874
1971	97159999.92564309
1972	136589999.83966345
1973	168879999.4494765
1974	192280000.1669675
1975	238660000.78618526
1976	236299999.21098357
1977	313699997.7845698
1978	403059999.3914366
1979	413860001.43550324
1980	513650000.63367176
1981	557479998.7822771
1982	520759999.1448225
1983	507519998.5094367
1984	514389998.7209587
1985	484240001.251921
1986	703380000.1069901
1987	798129997.6930023
1988	852189998.1573223
1989	934250002.8517103
1990	1138520001.8156316
1991	1154329998.5919144
1992	1097480000.2053378
1993	1088160000.6632507
1994	1175440008.3776565
1995	1130749996.224418
1996	1145050003.4708526
1997	960149999.346584
1998	988610000.2266468
1999	1044299990.6111507
2000	921410000.8457901
2001	788320003.4853073
2002	895029998.442158
2003	915439997.3042309
2004	1011699998.9524485
2005	878139998.2254953
2006	1038360002.6778878
2007	1359500001.152978
2008	2092110016.5899832
2009	1773880000.7440145
2010	1983810006.9295611
2011	1967279993.9196558
2012	1760230000.4437568
2013	1811730009.237305
2014	1452759992.8416314
2015	1157989997.7743626
2016	1202770001.2568383
2017	1315769998.8577514
2018	1304210000.2840154
2019	1226079997.3439424
2020	1742289980.3761392
2021	1610930010.464042
2022	1238490003.7106118