Year	current US$
1970	225740236199.43353
1971	262412791501.7008
1972	313999119180.5189
1973	412848868642.5174
1974	454124831834.3285
1975	507923245886.0005
1976	540727677489.5137
1977	624059326202.3077
1978	768302373904.5765
1979	933397239355.4583
1980	1016053691629.008
1981	843910483773.2583
1982	804290937374.063
1983	803153954806.5874
1984	751013892515.9783
1985	749310772654.7966
1986	1053810744843.7358
1987	1308101949945.593
1988	1411860090210.4912
1989	1411046588994.0706
1990	1776460888512.2866
1991	1878057748968.7683
1992	2142260488415.7795
1993	2070285105879.5693
1994	2201468000482.102
1995	2575272280605.9775
1996	2479403431245.126
1997	2188146853146.853
1998	2211477159053.0176
1999	2182815677119.3098
2000	1944682846986.671
2001	1914141217558.27
2002	1990143346596.8662
2003	2407225824030.1914
2004	2667992591080.702
2005	2698814980582.1
2006	2832507897197.643
2007	3193629086218.4414
2008	3517792640553.906
2009	3240319468592.185
2010	3220766332983.3394
2011	3565292938793.7812
2012	3311980914694.9224
2013	3518794292062.363
2014	3631696024062.7324
2015	3102568619492.967
2016	3213886546713.6265
2017	3429209343641.1826
2018	3732087870517.6445
2019	3658285971607.8374
2020	3661982380745.5356
2021	4047552599821.6406
2022	4002146099826.8643
2023	4270620740456.938