Year	current US$
1960	118529894.49090908
1961	143133335.32380953
1962	167413901.01134217
1963	153106847.57090014
1964	134909839.28912005
1965	148061023.3196072
1966	222673943.23552325
1967	231636844.75138122
1968	207300717.81559044
1969	224097278.47528428
1970	302242475.78471357
1971	273232043.0256368
1972	287607719.1648668
1973	457571233.8153597
1974	576135956.4189155
1975	280271722.6255937
1976	397075241.5224962
1977	678951126.4783674
1978	824156971.2918311
1979	1189993500.8837097
1980	1614117937.5128205
1981	2095095990.6666667
1982	929825544.8567029
1983	1168701299.057604
1984	1456446195.938017
1985	1317076240.7587976
1986	2129008802.346756
1987	2501601947.877245
1988	2416829104.399119
1989	2717190647.192309
1990	3298297256.74883
1991	3709400130.402355
1992	4769646636.029176
1993	5489997699.17638
1994	5906802280.384721
1995	7450420421.986018
1996	9199314557.377068
1997	10012594940.6724
1998	9965316882.720812
1999	8655513297.123312
2000	8991572775.092949
2001	8061858869.638237
2002	7775681419.361214
2003	8039264126.923567
2004	9752924688.896706
2005	12100243098.854483
2006	14139171073.718332
2007	16273980275.118273
2008	18246789809.66963
2009	15292393458.492447
2010	20059940423.605595
2011	24037951949.62452
2012	26351481862.24774
2013	27393318802.56502
2014	25949962902.489517
2015	24403224634.657448
2016	25031005914.239445
2017	27784060055.18452
2018	30206384525.248165
2019	27857920952.135326
2020	24846316415.897114
2021	33537892613.806652
2022	31237250268.314087
2023	33229722743.732178