Year	current US$
1981	70283964940.99365
1982	68781831293.62816
1983	68526606235.45518
1984	71765196421.77841
1985	70708021532.2146
1986	72828388070.62085
1987	79770716173.58185
1988	89534374660.4121
1989	97233279225.20264
1990	109031785660.69824
1991	115736388085.92921
1992	127350029915.13115
1993	133869923656.26505
1994	150761536694.078
1995	181941938035.2662
1996	200352779749.75418
1997	215807508353.0371
1998	211972988029.14084
1999	226831387741.1359
2000	249621472077.217
2001	251252793356.39197
2002	271365938256.32242
2003	315403187709.3578
2004	397845001364.2862
2005	489083076447.39984
2006	592218042782.8923
2007	720531175147.3892
2008	861083640079.9935
2009	773341720597.4648
2010	965735332207.5753
2011	1149008591832.5854
2012	1181306464256.996
2013	1239315439218.4795
2014	1260025892241.2656
2015	1151273688176.0312
2016	1170166717744.5732
2017	1332126820862.1824
2018	1480631448205.5686
2019	1512971943781.8447
2020	1387807584341.6519
2021	1733674533462.88
2022	2030180799692.4292
2023	2028620677389.1487