Year	current US$
1960	197749996
1961	206499998
1962	220500008
1963	248499994
1964	255499996
1965	162471111.1111111
1966	169110857.14285713
1967	180232000
1968	188826285.7142857
1969	194838857.14285716
1970	244995428.5714286
1971	267345142.85714287
1972	255049142.85714287
1973	311390048.23432386
1974	365221587.3015873
1975	466142222.22222215
1976	461535072.4637681
1977	545869888.888889
1978	662208888.8888888
1979	849474444.4444444
1980	1052927777.7777777
1981	1093998888.8888888
1982	1182384444.4444444
1983	1252969338.3539538
1984	1106078021.8862252
1985	1262218864.0318172
1986	1329019720.5920997
1987	1312430176.4325025
1988	1227039834.7519498
1989	1260936587.3180938
1990	1357414382.0618377
1991	1384391681.0366201
1992	1307527231.9649742
1993	1105512807.2487645
1994	1093478600.3490815
1995	1144009283.7867055
1996	955355686.5400496
1997	1017692635.1638994
1998	996022847.5047581
1999	875860600.4684507
2000	956801577.8372903
2001	969784426.2058167
2002	926936377.6932609
2003	899319772.4963515
2004	1076988981.7514603
2005	1370657455.8262658
2006	1627373544.680363
2007	1697961736.578177
2008	2034136447.608008
2009	2184064258.3406715
2010	2440594433.0456386
2011	2803718957.079873
2012	2900651253.9595814
2013	3148194816.7332554
2014	3398545362.9051037
2015	3414520307.27486
2016	2916199806.2082424
2017	3001042772.299646
2018	3073351701.784541
2019	3057867228.788254
2020	3118003481.9556093
2021	3298150716.9777436
2022	3952150505.247811
2023	3145928915.6845183