Year	current US$
1960	579270000.8116666
1961	757100000.429898
1962	884749991.234392
1963	876119988.9387933
1964	952219999.551773
1965	1039670003.954321
1966	1006330000.1099713
1967	1233320011.5039947
1968	1001130001.496523
1969	969970001.1275715
1970	984929996.6692926
1971	1140700002.789497
1972	1189139998.6650798
1973	1483209999.209269
1974	1874419998.640195
1975	2353330009.0134134
1976	2232120004.8923497
1977	2512009998.694062
1978	3458400005.748495
1979	4513220010.435209
1980	5215470005.953684
1981	5260279991.481451
1982	5337219980.636609
1983	5188399990.031498
1984	5617029988.998544
1985	6481129987.4614935
1986	7960449995.853005
1987	9147860005.140303
1988	11057499999.17671
1989	11407379965.873436
1990	13043200016.168863
1991	12766630014.39533
1992	14066979939.38253
1993	12379649991.048496
1994	13317729962.79784
1995	12371789979.189636
1996	11976390011.59184
1997	11002230018.155651
1998	10722129994.504166
1999	9865679973.708464
2000	9659080011.526117
2001	9951660014.996296
2002	13357529967.905949
2003	19901600005.712357
2004	19881329947.169872
2005	25996569899.810463
2006	32882390002.552425
2007	26360180023.502567
2008	29415420053.193348
2009	30341420100.82865
2010	31552039978.768673
2011	34725290120.8028
2012	33246500054.13965
2013	32584879885.75921
2014	32449090030.530476
2015	29594419949.533417
2016	30132399984.188374
2017	32786490077.935196
2018	34012350002.74706
2019	32852670006.070286
2020	37312860039.42416
2021	38901750085.169426
2022	28512270071.949818