Year	current US$
1965	188761904.76190475
1966	219047619.04761904
1967	230285714.28571427
1968	254285714.28571427
1969	285523809.5238095
1970	316571428.57142854
1971	406183008.0108316
1972	567196902.8449976
1973	711581703.8112316
1974	1254043453.9573157
1975	1343883540.0368412
1976	1311177190.8343537
1977	1511421911.4219115
1978	1848038426.512179
1979	2802229974.757788
1980	3518399604.8407016
1981	3487011040.8178144
1982	3002097557.589722
1983	2869615051.9986978
1984	2720919425.4106092
1985	2699953025.5387683
1986	2721814946.3054876
1987	3377010168.1988554
1988	4242227828.268462
1989	4479728142.53556
1990	5353409090.909091
1991	5277717391.304348
1992	6126637065.781127
1993	5908390901.247532
1994	7024340766.780617
1995	8096647985.619119
1996	8248031657.845425
1997	8114689467.840002
1998	8398428066.4778595
1999	8713608295.222239
2000	8531440165.231494
2001	9447888494.786661
2002	9438270054.925926
2003	10839779022.676718
2004	13158999796.863342
2005	14500633173.350761
2006	15823068687.665522
2007	19877270832.97564
2008	24965547802.12021
2009	19572383403.380795
2010	22160316333.659355
2011	22163031092.149857
2012	21722011893.267906
2013	21854753431.18367
2014	21590469318.332424
2015	17579251895.7497
2016	16987820950.609234
2017	17590956528.92733
2018	19416275921.684013
2019	19255781270.180645
2020	16143392839.745153
2021	19667292546.306683
2022	22927244033.62427
2023	24786121214.071903