Year	current US$
1960	478662919.9414551
1961	572572184.2030385
1962	578533114.8482704
1963	673026797.3013769
1964	815501859.5814251
1965	858153924.6887878
1966	945137839.6712936
1967	1002435183.3975527
1968	1118495481.023639
1969	1229417231.552966
1970	1358523010.540217
1971	1524205828.955738
1972	1766076254.4099977
1973	2445161268.324089
1974	2845395551.697402
1975	3888240144.2003717
1976	4405933796.897696
1977	5870652229.787316
1978	7972759964.664778
1979	9422642084.319357
1980	10804168666.485502
1981	9032079184.075905
1982	7786826977.391693
1983	6753422541.178663
1984	5916605107.2442045
1985	5974452095.887548
1986	8305255650.79595
1987	9703342071.238573
1988	9988741984.722092
1989	9466822746.514189
1990	10301589271.250162
1991	10175160608.703846
1992	10901357852.032598
1993	10655139915.574791
1994	7380930278.730927
1995	10195348125.168686
1996	17473842786.94561
1997	17629285712.631157
1998	19479359763.770523
1999	18572558923.83146
2000	16475395479.118929
2001	16503656564.76747
2002	16823006737.912466
2003	20354512470.27953
2004	23001740658.44733
2005	23811686908.416092
2006	24777938113.200325
2007	28889234372.953224
2008	34048688717.72144
2009	32479636605.719658
2010	35101833028.53258
2011	34548284702.05449
2012	36424318009.73941
2013	42773864854.57215
2014	47556725076.26368
2015	44901006001.40697
2016	47286085873.48604
2017	51286754179.64228
2018	58902352384.79097
2019	59984120830.99042
2020	62999928220.9789
2021	73174258574.60455
2022	73245274171.05455
2023	81740244010.9143