Year	current USD
1965	511524328.0347183
1966	516349912.6707818
1967	680726858.1291375
1968	898872214.6052549
1969	1360301692.2058434
1970	1467438144.456319
1971	1536271618.7929528
1972	1888890410.7259347
1973	2286722213.8890424
1974	3533736306.848362
1975	5467924060.999758
1976	5321747700.054623
1977	6392103256.869512
1978	7216037975.560199
1979	8117134536.580621
1980	8746175572.979536
1981	8761679184.251934
1982	4181250346.2795687
1983	4094395507.030846
1984	4134648967.3989162
1985	3958073882.33025
1986	3567854199.2496552
1987	3622240295.4416623
1988	3858892358.0260034
1989	3682941984.665032
1990	4771894025.3061
1991	4050240467.2518306
1992	2689576654.04086
1993	4226109874.054721
1994	2251644395.8066354
1995	2087386761.6253965
1996	2303553762.580014
1997	2707359210.324903
1998	2922066698.2617903
1999	3551392338.653762
2000	2943330107.3567
2001	2764998588.2039437
2002	3283060416.277311
2003	3666436814.271635
2004	5583515254.08732
2005	6789188260.107572
2006	9024601397.965473
2007	11675101597.210634
2008	16763321513.908964
2009	16453773430.458199
2010	14671331417.384613
2011	16147974376.072823
2012	16385564269.885033
2013	23465402716.14522
2014	24202158510.77142
2015	24404195885.83166
2016	19842067953.078796
2017	23125027837.784138
2018	18817512427.18908
2019	19459840835.44286
2020	18687160212.786564
2021	19942082404.61163
2022	18884376584.050095