Year	current US$
1967	6126364913.690422
1968	7409582639.006996
1969	8822085889.57055
1970	9424657534.246574
1971	9540948289.277802
1972	11259277108.433735
1973	16180000000
1974	23847228915.66265
1975	30288915662.650604
1976	36769156626.50603
1977	44246024096.385544
1978	50931117772.13757
1979	48071453946.879776
1980	66470439185.16147
1981	83736385910.21297
1982	93691000563.55571
1983	81918262302.11093
1984	82509512123.57565
1985	83389157017.05417
1986	82236983180.52802
1987	74910856707.03566
1988	85322293516.51682
1989	94476419119.06448
1990	112224602307.75201
1991	122720314754.51797
1992	131268669701.26901
1993	151395669043.37744
1994	172235702418.14185
1995	201800392163.99573
1996	230840481577.9362
1997	213228498622.67902
1998	96308820855.98871
1999	143763205842.83185
2000	149225304678.63104
2001	148539356818.9519
2002	188389404174.42178
2003	239153328720.75854
2004	254645327962.5602
2005	278874579913.1224
2006	352526720116.9474
2007	418426616672.13654
2008	494213977742.4648
2009	535679606157.3999
2010	740771624093.4891
2011	870344544502.5652
2012	924383379574.0703
2013	914153349182.315
2014	901188170606.3467
2015	871720140107.5886
2016	943184299976.2849
2017	1016702804662.3282
2018	1048230337634.2546
2019	1124908875334.173
2020	1068936405434.6084
2021	1142901037653.2954
2022	1193438623307.4407
2023	1266802486090.6714