Year	current US$
1965	2871792000
1966	2941032000
1967	3119800000
1968	3206344000
1969	3393408000
1970	4305224000
1971	4705160000
1972	4948200000
1973	6374192000
1974	8264560000
1975	9802104000
1976	9436782056.268637
1977	8613843972.887964
1978	10541476698.73062
1979	12353672440.254332
1980	12989826151.365953
1981	16777054864.368755
1982	9919590617.353994
1983	9268899778.506836
1984	11831319863.19327
1985	12768229896.6022
1986	9160150905.646376
1987	9467027238.037329
1988	11764940906.821285
1989	14286252885.975187
1990	17418034351.85748
1991	20344651358.48769
1992	21785768707.078552
1993	25416703336.770855
1994	24159062930.262863
1995	15702677576.26267
1996	19792592830.426632
1997	22083760226.104572
1998	21783614611.2288
1999	22031723365.491688
2000	23443684867.67254
2001	25676986562.898254
2002	25214648613.840282
2003	24553908283.969097
2004	26107536554.02324
2005	27028659671.06299
2006	30025943180.268867
2007	33532175221.665215
2008	35180654728.23792
2009	29252205594.785946
2010	34179810190.05369
2011	36571697351.554436
2012	38264920166.03872
2013	40148878420.84461
2014	41305511399.328186
2015	37432395226.556946
2016	36106314553.887474
2017	39264180884.41735
2018	41419707621.07637
2019	43231438898.36356
2020	41604382570.88187
2021	49790637402.32537
2022	57145125314.55954
2023	70887435055.13376