Year	current US$
1965	138100000
1966	178700000
1967	199000000
1968	189000000
1969	229700000
1970	275400000
1971	306200000
1972	347300000
1973	398900000
1974	544800000
1975	752100000
1976	814800000
1977	870600000
1978	873700000
1979	928600000
1980	1015000000
1981	1132999900
1982	1455000100
1983	1527000100
1984	1708000000
1985	618452403.9005233
1986	776081840.4776587
1987	745430505.6391065
1988	650959351.115097
1989	1181414400.630915
1990	1270371013.336774
1991	2575525780.6606417
1992	2842403656
1993	3072628416
1994	3366645467.3854976
1995	3612351647.2416472
1996	4141730423.083308
1997	4351620468.2291155
1998	4691607524.421192
1999	4797691214.650606
2000	5098103563.968093
2001	5034418699.1738405
2002	5527138413.341091
2003	4656304290.09193
2004	4816412929.404418
2005	6576516292.67669
2006	6645541750.932094
2007	7135272074.342746
2008	7797638511.178934
2009	7419128012.430604
2010	8223975141.882583
2011	8746466366.927702
2012	9098009898.245693
2013	9146370650.70495
2014	9772350513.4011
2015	10462971587.904932
2016	10915700165.620148
2017	11276416965.597813
2018	12093711532.134533
2019	12237268152.686962
2020	11389157453.100939
2021	14287199690.631695
2022	16934420416.749788
2023	16692552626.892887