Year	current US$
1960	860919540.2298851
1961	912931034.4827586
1962	968678160.9195402
1963	1012068965.5172414
1964	1038505747.1264368
1965	1070402298.8505747
1966	1002586206.8965517
1967	1095689655.1724138
1968	1139655172.413793
1969	1194827586.2068965
1970	1394827586.2068965
1971	1646839080.4597704
1972	1791666666.666667
1973	2168103448.2758617
1974	3010344827.5862074
1975	3714367816.091954
1976	4576436781.609196
1977	6004597701.1494255
1978	6632625994.694961
1979	6798135198.135198
1980	7340000000
1981	8801431127.012522
1982	7489495798.319327
1983	7115384615.384616
1984	9384615384.615385
1985	6809895833.333333
1986	7600000000
1987	9403333333.333334
1988	11855555555.555557
1989	17977777777.77778
1990	28433333333.333336
1991	34631972397.92984
1992	5644449462.1890135
1993	7340221198.388088
1994	10617763950.705952
1995	11786291002.868092
1996	8131008193.208783
1997	10002570216.082191
1998	9591717010.645815
1999	9168078926.028229
2000	8554146953.300469
2001	9638467256.35393
2002	10804698757.110554
2003	12224926681.160563
2004	13523636067.54425
2005	19172778193.294247
2006	24837127319.73219
2007	28811663707.157387
2008	33996825367.208202
2009	33169169692.30769
2010	34821034482.75862
2011	33101842105.26316
2012	30305000000
2013	34883972602.73972
2014	42663415730.337074
2015	44129636363.63636
2016	36258813333.33333
2017	34065019047.61905
2018	29105211850.12285
2019	28594854990.082645
2020	21485079246.01064
2021	29165651732.80491
2022	41088459740.75178
2023	89303523044.0845