Year	current US$
1975	133121782297.70506
1976	147467142641.35617
1977	169894145680.96533
1978	208127335046.35303
1979	251766109618.65527
1980	301289220523.16125
1981	305177273928.1952
1982	304184415662.1008
1983	295557898322.759
1984	304376551103.0508
1985	317389776008.991
1986	382733925686.87994
1987	454026309429.78
1988	501995082121.27655
1989	543026740784.3552
1990	667369875681.856
1991	698257437649.6481
1992	781626638412.6179
1993	771507404005.2784
1994	831544568224.8156
1995	949322658200.3091
1996	1014391430435.1906
1997	1048516508087.4275
1998	1080582609123.745
1999	1181985050072.3794
2000	1253998722026.1204
2001	1247014716352.441
2002	1326143311526.2507
2003	1509342093572.4902
2004	1823194663873.574
2005	1995014855256.786
2006	2229860731511.171
2007	2638610363602.446
2008	2954302195554.26
2009	2635346187913.8823
2010	2838833798157.2866
2011	3190811173690.09
2012	3264844143442.9854
2013	3459742946259.6245
2014	3687593955610.99
2015	3506381669566.146
2016	3545846836613.1147
2017	3822780767863.0723
2018	4166080778783.202
2019	4243691993700.0103
2020	3556937099852.5664
2021	4208292700066.13
2022	4701906003619.43
2023	5083175707765.231