Year	current US$
1960	67390001.3417006
1961	61879999.9374896
1962	61049999.3376434
1963	92100000.7018447
1964	97969999.5610863
1965	134129997.34655
1966	121850000.403821
1967	141840001.836419
1968	168629994.461313
1969	137519998.459145
1970	136869997.812435
1971	166229998.212308
1972	216639998.037368
1973	366390003.964305
1974	350990000.35598904
1975	351900000.585243
1976	357450001.733378
1977	383359998.403117
1978	816069994.786754
1979	1076719997.3017
1980	980360006.993636
1981	947179994.577542
1982	977130001.438782
1983	989770003.125072
1984	891970016.453415
1985	1112799997.15276
1986	2035139997.3817198
1987	2090840011.9692101
1988	2905949944.1459804
1989	2634720001.76832
1990	2724459999.84443
1991	4142370022.9320703
1992	3614970040.9323
1993	3195850030.4222097
1994	4124940004.02838
1995	4263090020.5001197
1996	3653550023.8537803
1997	2925289992.176
1998	3561100022.74811
1999	3889990003.39955
2000	4243779983.7067695
2001	3506100001.73748
2002	2941279982.6413403
2003	3037310016.38621
2004	2319120017.34972
2005	2506989984.4061604
2006	4024809957.26027
2007	2783799954.06605
2008	2155169969.82507
2009	3153149993.5686603
2010	3764450005.47171
2011	3323599980.35431
2012	4313399983.04844
2013	6225510104.89464
2014	4304119983.31547
2015	4516660087.76426
2016	5051120041.8174305
2017	6183010039.58285
2018	4833770089.26868
2019	6329450070.17255
2020	6657969985.60429
2021	7885330038.18989
2022	9348939935.088165