Year	current US$
1960	5515329.003351927
1961	6397423.232880086
1962	7453751.410765984
1963	8473242.209071323
1964	9784052.901392663
1965	11726373.451490505
1966	13528912.122044735
1967	15131441.322083537
1968	15690420.335900517
1969	16015441.671065113
1970	18076140.33226598
1971	20843743.508261703
1972	21932435.160216764
1973	35440864.1808118
1974	52687581.77245146
1975	67409683.19477274
1976	79580019.89500497
1977	104577414.6040192
1978	124734802.70045413
1979	159139737.45010775
1980	226382321.7215092
1981	266391630.35502154
1982	264407411.7597928
1983	302983063.57949394
1984	310349953.36471105
1985	256206483.13567933
1986	333768992.6902888
1987	528577240.0578698
1988	631771618.319709
1989	698922916.7307729
1990	914932065.407269
1991	955303263.7714396
1992	1092914953.3707
1993	1164697749.760119
1994	1219155605.3034945
1995	1421755301.8226995
1996	1269810423.3894684
1997	1414827530.5737457
1998	1440457372.1923008
1999	1503288538.2844675
2000	1441452036.5361245
2001	1289324111.4839418
2002	1217170223.0414655
2003	1653202791.9755952
2004	1839178077.521362
2005	1924341880.5089219
2006	2749594188.9782686
2007	2949078875.350231
2008	3272457578.581538
2009	3636347454.739543
2010	3889153758.118825
2011	4281014495.996261
2012	4427911393.523351
2013	4433276254.484511
2014	4525587419.367669
2015	4281047610.6605673
2016	4294889808.9542413
2017	4650860751.045405
2018	4956043215.792195
2019	5292401737.581917
2020	5407105637.25871
2021	5912031153.239151
2022	5667244612.4153595
2023	5613838256.020569