Year	current US$
1960	-20370005.85199766
1961	12585994.965602014
1962	16603979.358408257
1963	28447988.620804552
1964	41719997.31200108
1965	6999997.200001121
1966	17919992.832002867
1967	-11199995.520001793
1968	1399999.4400002242
1969	20999991.60000336
1970	-13439994.624002151
1971	-116480233.40790664
1972	-45079981.968007214
1973	-31994266.11925512
1974	-214479634.20814633
1975	-152794703.88426396
1976	24142285.092465825
1977	151270557.90442434
1978	-517246978.187004
1979	-365202294.64761925
1980	-463735482.6771886
1981	-230339923.8109807
1982	-315199172.3373915
1983	-135299725.793837
1984	-328400773.56019807
1985	-297399994.1699538
1986	-292799145.9496891
1987	-405900103.1450865
1988	-437199897.44803375
1989	-587299189.7374291
1990	-483112588.48933524
1991	-123448964.61801273
1992	-33667387.48032744
1993	284643208.1138549
1994	201180098.50924838
1995	-593650220.4858414
1996	-832478531.3778285
1997	-1139017853.3818164
1998	-1206265938.0088692
1999	-841697402.833427
2000	-1287547740.7170928
2001	-1309467862.1388412
2002	-706917924.2613208
2003	-888105847.7260306
2004	-1007002543.7707928
2005	-1397997983.1407979
2006	-2393148428.863549
2007	-3213973760.205355
2008	-4390150819.729008
2009	-3555176336.7463026
2010	-4606657576.868834
2011	-7172553508.99446
2012	-6707709330.0403805
2013	-7326740667.831135
2014	-9030714940.091784
2015	-7061070721.902697
2016	-6258683308.498771
2017	-8631666732.827253
2018	-8603277970.78454
2019	-8937167365.004023
2020	-8007857716.02613
2021	-10027923138.551907
2022	-10546983132.451157
2023	-9393299738.505568