Year	current US$
1960	63995919.30876639
1961	71993019.98593955
1962	77277093.57754019
1963	70405016.46591781
1964	64269770.37939279
1965	52649086.79245283
1966	84573554.71698113
1967	91064166.03773585
1968	103215079.24528302
1969	125252845.28301887
1970	135833932.0754717
1971	151075298.75866175
1972	193775433.3082139
1973	273983211.06319815
1974	196002509.45775536
1975	257957981.33022192
1976	426067677.94632435
1977	577736231.0385064
1978	550011610.268378
1979	607082917.1528587
1980	784317479.57993
1981	632830481.4340708
1982	719561550.3514388
1983	737481793.949005
1984	845933760.604543
1985	945948514.8514851
1986	1151388888.8888888
1987	1042004142.1061016
1988	1046570787.7028631
1989	1192263592.6519542
1990	1166224601.2672055
1991	991244255.4929347
1992	1276109824.509155
1993	1317731792.5096846
1994	1525068816.7973921
1995	1855573252.2407172
1996	1601964757.5947235
1997	1975365571.367154
1998	2538352888.91481
1999	2659518400.6580787
2000	3006090656.7377267
2001	3239948250.3724875
2002	2971164306.3198266
2003	2932877812.6724524
2004	3366433344.141758
2005	3340880626.7263746
2006	4065890252.9095354
2007	4837753272.985421
2008	4873497872.435844
2009	5521378689.9765625
2010	6771264299.549568
2011	6993387088.23863
2012	7608212445.40347
2013	8512338628.922179
2014	8716775508.937853
2015	10211178948.10212
2016	11316667555.991047
2017	11206534707.419706
2018	11798372517.237179
2019	12209853010.464275
2020	12376895513.343027
2021	13091441927.243313
2022	13671757600.195143
2023	17032042698.713106