Year	current US$
1964	129598039.21568628
1965	111624649.85994397
1966	116316526.61064425
1967	119406077.3480663
1968	107022809.12364946
1969	109423769.50780313
1970	112965186.07442978
1971	119434416.3658243
1972	138077403.2459426
1973	169546568.62745097
1974	209122807.01754388
1975	242311946.9026549
1976	229694519.31716082
1977	251788830.71553227
1978	307163323.78223497
1979	333017975.4020814
1980	334285714.2857143
1981	327006039.6893874
1982	435028248.5875706
1983	363925729.4429709
1984	419521912.3505976
1985	366685590.8912446
1986	170240293.31344768
1987	280303871.5741856
1988	456993593.52894133
1989	396594539.6485714
1990	286029343.79250693
1991	286647477.1418896
1992	244032839.40728873
1993	309850220.26431715
1994	341012442.47485936
1995	347907838.9830509
1996	425763006.4081677
1997	487987773.81558836
1998	399405218.7260169
1999	400737168.82828957
2000	349820754.2660485
2001	492184976.3367234
2002	579221867.555979
2003	642414498.062098
2004	702338281.568134
2005	815202997.7976099
2006	948100026.0305094
2007	1126218265.796503
2008	1326242531.0622284
2009	1356046726.625611
2010	1364876384.050927
2011	1606438320.7615628
2012	1923442589.5906067
2013	2360943533.974272
2014	2597476989.0883565
2015	2498328211.1899133
2016	2230595522.3738227
2017	2254350233.030787
2018	2407538196.4266624
2019	2370712771.6401186
2020	2416917134.7864537
2021	2441133778.919816
2022	2475004716.0913033
2023	2451786256.8695097