Year	current US$
1960	451169998.03111005
1961	942679994.929582
1962	924970000.341535
1963	851859998.1702859
1964	714160009.410232
1965	856190005.9506301
1966	1034280017.4951601
1967	1087799995.66078
1968	1204419998.914
1969	1121229977.83124
1970	1298389989.59959
1971	1411299991.66727
1972	1366199987.31092
1973	1384329995.91157
1974	1519419979.33388
1975	1760589975.40548
1976	1799190003.30567
1977	1596470019.1617
1978	2178009992.65909
1979	3044250004.2915297
1980	3810429985.5232196
1981	4540999963.28354
1982	4416180025.10071
1983	4171519951.3528495
1984	4374869953.63235
1985	4540560017.10892
1986	5137600004.19617
1987	6836350074.76807
1988	7277130019.66476
1989	8004389990.57747
1990	9440920004.13872
1991	10962689984.852402
1992	9863080110.55924
1993	10923839908.132301
1994	11179320041.8949
1995	12703149951.457998
1996	10811849821.6122
1997	9351790083.88519
1998	10776239825.725601
1999	13263329995.8706
2000	11292310110.569
2001	11290350220.6802
2002	12689069914.341
2003	13259379860.878
2004	15525969794.2734
2005	35024389802.6943
2006	21917070304.393803
2007	21799329768.1808
2008	25988950083.7326
2009	19411890199.661297
2010	17281010130.8823
2011	20706749983.7875
2012	17423859913.826
2013	17013600214.004498
2014	17063490258.693699
2015	15640490018.2486
2016	19377260041.2369
2017	17730699974.8945
2018	17208259953.9757
2019	13346169905.901001
2020	20310469955.9212
2021	19228290085.792503
2022	19153470022.678402