Year	current US$
1977	120213779566.72983
1978	143865050059.80936
1979	178695282582.10446
1980	218261795851.5119
1981	208340046286.47083
1982	199495847678.64587
1983	187832991336.1917
1984	184387762742.11395
1985	191562859429.755
1986	240913025979.273
1987	294781868391.2654
1988	330590712126.65674
1989	352236402258.63416
1990	445745902019.65894
1991	458070331470.20557
1992	532295880547.548
1993	497100538643.1455
1994	522552254362.3887
1995	611849079512.1813
1996	633222423286.866
1997	634477567014.7968
1998	678906424107.139
1999	728893234085.7842
2000	759575902335.4838
2001	784851715396.0409
2002	843268358692.3368
2003	995801268647.6769
2004	1199503664655.438
2005	1309307641019.0085
2006	1439729740476.3057
2007	1710297547202.5337
2008	1927938922534.7183
2009	1691975261500.739
2010	1766373352664.021
2011	1965946412113.9807
2012	1967954381259.9702
2013	2130514633682.4634
2014	2281638703849.4966
2015	2146142247137.598
2016	2180420153029.2048
2017	2369895215686.672
2018	2606267608787.6074
2019	2721202969380.8726
2020	2409202900112.2397
2021	2757820412598.7993
2022	3085201268952.7134
2023	3438413914150.3438
