Year	current US$
1960	131900000
1961	128699999.99999999
1962	134800000
1963	180400000
1964	199900000
1965	223500000
1966	263399999.99999997
1967	235600000
1968	269500000
1969	305400000
1970	353600000
1971	343100000
1972	397300000
1973	536500000
1974	708400000
1975	792000000
1976	941700000
1977	1340300000
1978	1303700000
1979	1473600000
1980	1748000000
1981	1471000100
1982	1288999900
1983	1176000000
1984	1231300000
1985	1161565304.3478262
1986	1160867534.2465754
1987	1122800040
1988	1262786259.5419848
1989	1455681818.1818182
1990	1608646743.7610323
1991	1688646378.5176818
1992	1886230498.0244186
1993	2018148609.0603213
1994	2274655328.5131226
1995	2822490792.6892233
1996	2791706609.535067
1997	3194396325.6757426
1998	3524472507.1937947
1999	3481400349.342613
2000	3895405852.179506
2001	5275589192.620104
2002	5463975082.143269
2003	5648926179.652181
2004	6464755962.87974
2005	6817685366.830043
2006	7537142602.343846
2007	8721101392.568314
2008	9673807861.558186
2009	9046835388.599354
2010	10667621566.807991
2011	12688259461.470148
2012	12530944105.555487
2013	11658240604.906773
2014	12579582120.714676
2015	12331439231.385735
2016	12387053734.787539
2017	13252394991.303003
2018	13323270230.138586
2019	13591570112.274122
2020	12702168241.243774
2021	15241812034.7725
2022	18065395862.59803
2023	17542859180.286007