Year	current US$
1960	128571420
1961	114285714.28571428
1962	120000000
1963	128571420
1964	122857151.42857143
1965	117142857.14285715
1966	165714285.7142857
1967	142857142.85714287
1968	151428562.85714287
1969	136150234.74178404
1970	90025207.05797623
1993	301017152.7705467
1994	333256918.3200408
1995	500775155.7042598
1996	516187567.12062925
1997	517217902.55574787
1998	369263966.45367414
1999	597358896.1083355
2000	640514970.991178
2001	746416167.2018349
2002	857695436.2011744
2003	1028041485.1972858
2004	951535547.817643
2005	1273377683.396457
2006	1638019002.424907
2007	1831284004.7063086
2008	1927187690.3328109
2009	2221826214.9316983
2010	1952519833.0789125
2011	2193583981.520266
2012	2601666093.4788
2013	3046956150.9715066
2014	3690358384.148607
2015	4052755911.25315
2016	4544969270.031885
2017	5076797660.106742
2018	5761647727.226444
2019	6564704280.462022
2020	6437038335.62361
2021	6376310014.764002
2022	6710945886.941489
2023	5077012757.994567