Year	current US$
1960	-765348446.2412853
1961	-517608090.6450398
1962	-20510283.44804393
1963	-328164535.1687037
1964	-126721206.54802656
1965	-101274847.78390379
1966	40509939.11356151
1967	60764908.670342274
1968	-40509939.11356151
1969	-182294786.77593547
1970	-344334543.2301815
1971	-468180171.2236888
1972	-357101806.3771687
1973	-529969047.2795549
1974	430545117.5028404
1975	-1443254204.1743977
1976	-720491495.1997262
1977	-2339177207.833204
1978	-3857888449.0279636
1979	-570943669.359014
1980	1693833066.2288759
1981	1645114472.191534
1982	871043283.9045057
1983	1044102802.3722018
1984	-943135164.4217023
1985	-1829825549.9423206
1986	-6571229225.932663
1987	-2763033270.63584
1988	-4192895865.551424
1989	-5493813610.936526
1990	-926597363.9096944
1991	2522617372.769534
1992	696095511.6704797
1993	-676792325.788109
1994	-1498790715.5528412
1995	-1170007106.3915417
1996	2730002864.1654077
1997	4609976585.284704
1998	30000489.623939194
1999	2612547339.327927
2000	11659995020.980127
2001	8147248965.975158
2002	5957664162.124648
2003	9970802367.983192
2004	14180370410.460087
2005	23445463436.83145
2006	31525542338.74373
2007	31196364969.318424
2008	36556358658.96182
2009	1333701926.38783
2010	11529793186.977177
2011	21300645646.652508
2012	18189545504.733307
2013	5622451756.618504
2014	-4025154588.3216724
2015	-22777389611.68623
2016	-23115278741.22899
2017	-17380666509.228996
2018	-10875510421.686947
2019	-11009709488.50976
2020	-15365137785.462324
2021	920360953.7376244
2022	24930058264.38576
2023	9929794433.987965