Year	current US$
1960	126447271.06517516
1961	134767628.45022386
1962	146707668.3758585
1963	145325479.11465713
1964	150379310.5666186
1965	174043192.45759505
1966	176656629.00647646
1967	190114632.40843415
1968	199523799.62548295
1969	206418776.7949766
1970	204203354.97132942
1971	196761803.91876557
1972	236734191.84318233
1973	268524005.04334927
1974	313270894.2728107
1975	379738230.40983534
1976	378403759.65073335
1977	496677311.38065153
1978	631188952.5049338
1979	822170793.7721655
1980	934776130.6104606
1981	860365618.4034022
1982	885743519.0072297
1983	797946183.5323471
1984	721603907.5142523
1985	670927085.0800136
1986	916975059.7148353
1987	1088869326.321767
1988	1185435969.9898021
1989	1199276611.2959337
1990	1475989592.8958685
1991	1453363955.0104036
1992	1557724832.9652643
1993	1480668823.474729
1994	746624295.1230369
1995	940690646.393023
1996	969306529.1469733
1997	938272944.361384
1998	1065512828.2307482
1999	1489758090.8901386
2000	1417192859.691014
2001	1480115765.7387652
2002	1688001882.0803025
2003	2129291182.6099398
2004	2533815976.1251583
2005	2738168939.0102663
2006	3086357340.147701
2007	3673991982.5289035
2008	4259511710.6726904
2009	4336899362.507138
2010	4258245114.6129093
2011	4900082967.244555
2012	5064453223.181807
2013	5587307029.616203
2014	5925214230.237351
2015	5212992250.366467
2016	5621760772.550223
2017	6200954350.397202
2018	6920252968.828905
2019	7265470193.508719
2020	7967997764.295885
2021	8816183249.736364
2022	8030759401.2072935
2023	8869565161.349604