Year	current US$
1960	125105306.2434555
1961	173748887.61972383
1962	166140935.0281997
1963	178997280.47129396
1964	227712367.6204025
1965	277073905.2190179
1966	293880199.99492264
1967	311787396.9244784
1968	358694227.2148063
1969	368517421.79950714
1970	423656563.9991271
1971	450325383.14509183
1972	536449117.1438121
1973	833598100.1823673
1974	1178207291.3517406
1975	1424552666.2184124
1976	1689889783.1950078
1977	2276134494.586848
1978	2957601064.736365
1979	3443467185.6898584
1980	4190183015.1052713
1981	3565652807.2221365
1982	2975902018.2126603
1983	2442621281.525074
1984	2175044039.2640676
1985	2260591396.001633
1986	2764108254.9952717
1987	2987989286.974009
1988	2860181526.215539
1989	2835035997.919289
1990	2926930087.2649016
1991	2831550713.6338873
1992	3135722383.406957
1993	2861522279.0438
1994	2436641866.0479054
1995	3788785245.212814
1996	4472517351.154016
1997	4664272133.847723
1998	5193200980.876784
1999	5124618233.322088
2000	4504767963.76507
2001	4310942884.960726
2002	4430687717.015377
2003	5210727693.4179735
2004	6577555506.559785
2005	7437492764.43435
2006	7799176142.058499
2007	8898369156.892536
2008	10539361094.812096
2009	10593072868.46748
2010	11869039598.92728
2011	10800620106.423397
2012	12821464752.240526
2013	12482686215.40801
2014	12466424412.77783
2015	11618511648.597319
2016	10951634334.413116
2017	12163812786.125366
2018	13661082703.312513
2019	13284189624.884214
2020	13203807830.595186
2021	16610109080.079294
2022	20283249155.751408
2023	20967072100.3175