Year	current US$
1960	170889999.17916948
1961	110320000.16979873
1962	179680000.03509223
1963	199019999.54320484
1964	226180001.1359155
1965	113029998.63587317
1966	72520000.23238361
1967	30760000.40397052
1968	22200000.056996945
1969	1630000.0436604042
1970	32830000.29623507
1971	19120000.14819206
1972	14259999.578818673
1973	28719999.536871955
1974	117309999.0524352
1975	256269996.53130776
1976	438520002.1807102
1977	632400004.4800341
1978	886689996.9391525
1979	1040430003.1252203
1980	1218979998.1210377
1981	1162569994.041696
1982	1271909992.7637722
1983	1276529999.2710352
1984	1688650003.9286916
1985	1715130000.8390098
1986	1588809997.8994577
1987	1644479999.0504973
1988	1512089990.3271337
1989	1474499990.9531326
1990	3211029996.2740393
1991	4438620009.362699
1992	3062929984.3292685
1993	1873440008.2863863
1994	2438779972.059653
1995	1785720000.6395588
1996	2032000020.9379945
1997	1695340020.6156058
1998	1663050019.5231292
1999	1449580034.0846195
2000	1212070007.2757902
2001	1161890015.9951296
2002	1170059971.8336015
2003	835600010.4341652
2004	1361689961.2825356
2005	850150012.2770671
2006	772230008.0060966
2007	1013770006.481557
2008	1171190011.5441537
2009	784989999.9964988
2010	500030002.95348597
2011	299679991.7519098
2012	1073309993.2670591
2013	304440005.7271127
2014	307580022.2959379
2015	255029991.47586548
2016	481649997.4131588
2017	150729993.07885712
2018	799590008.4823374
2019	1028140019.6086626
2020	985290020.3671305
2021	2676480107.495567
2022	799289993.3010336