Year	current US$
1960	156274959.31260172
1961	173074858.97951922
1962	174008598.31183755
1963	159716675.70831072
1964	178033296.5834252
1965	198529411.7647059
1966	209470588.23529413
1967	231352941.1764706
1968	208750000
1969	228800000
1970	246550000
1971	264050000
1972	274809523.8095238
1973	291952380.95238096
1974	411545454.5454545
1975	481041666.6666667
1976	430120000
1977	423000000
1978	481240000
1979	499599960
1980	561200040
1981	507857142.85714287
1982	420333300
1983	419666700
1984	364473657.8947369
1985	384883744.18604654
1986	416744186.04651165
1987	262448979.59183672
1988	319100010
1989	256286757.3529412
1990	289265807.5949367
1991	213533094.81216457
1992	263261390.88729018
1993	362611367.1274962
1994	457932056.3991323
1995	535690166.1971831
1996	653276371.7948718
1997	675683469.2172105
1998	661358372.6971346
1999	626125003.6517265
2000	668697606.7532752
2001	660857086.8356111
2002	671139695.2770567
2003	700124649.8235571
2004	755942664.8008775
2005	804427767.3545966
2006	2310819139.4950075
2007	2719807884.456036
2008	3010394913.587158
2009	3148777420.446188
2010	3445692394.422548
2011	3682055317.3134656
2012	4087055581.4330316
2013	4196300929.032712
2014	4154360152.0077825
2015	4304540193.7046
2016	4478097336.561744
2017	4736674334.140436
2018	4759936997.737404
2019	5127160191.846522
2020	5312756594.72422
2021	7599362110.31175
2022	13376488489.208633
2023	15206302158.273382