Year	current US$
1970	17048370508.054523
1971	20490252808.98876
1972	24718545816.733067
1973	28668067087.346397
1974	30974796070.259007
1975	36352689798.339264
1976	34573254245.173294
1977	40399455782.31293
1978	51241900524.75473
1979	64337995805.17362
1980	78984628080.48836
1981	76956172713.33675
1982	76658460987.83107
1983	81248207547.16982
1984	79410936742.34076
1985	82680266707.2305
1986	115128160800.10391
1987	150717393187.9295
1988	170312865218.6849
1989	175622537397.68558
1990	231555578539.10794
1991	245398546901.8261
1992	257832974076.98352
1993	206414547803.61758
1994	205465022814.60135
1995	204799714727.2079
1996	231203413226.2517
1997	219599818099.13596
1998	222620720419.31525
1999	219769498210.81128
2000	203374865231.373
2001	214914365803.54358
2002	236789626763.52985
2003	299360466623.92096
2004	346122039106.1785
2005	364479883007.0037
2006	379846267291.76416
2007	421101305197.6484
2008	471131511571.0936
2009	454915260806.6403
2010	439032285633.33417
2011	454776836322.95807
2012	413385894330.4689
2013	424255354565.09924
2014	422435350895.2926
2015	350987745871.8748
2016	357142289357.97754
2017	369408004068.2359
2018	394974959621.9605
2019	374477657223.5288
2020	392331799266.9271
2021	418290303542.62897
2022	395338678873.5424
2023	409253687878.4386