Year	current US$
1990	24452981838.779892
1991	27329134045.62191
1992	24788252856.398552
1993	25281667325.352592
1994	23480856087.34049
1995	21526373104.725563
1996	21725119851.97125
1997	22491907439.991364
1998	24673153834.203194
1999	24677965771.940964
2000	26838650426.733406
2001	27905638632.85748
2002	30368037155.266182
2003	35019663017.64932
2004	41405681988.93416
2005	46209832949.27467
2006	52862680478.904236
2007	65001921287.69491
2008	75211501015.91718
2009	78266106653.53235
2010	84431105172.38605
2011	98243048871.57117
2012	96628468985.05257
2013	103977232986.42084
2014	111254458054.54959
2015	107604563100.08746
2016	110744750294.82176
2017	117833944161.96912
2018	125648346480.76746
2019	133478729946.46283
2020	138213068675.48328
2021	147009555238.73737
2022	158761395003.70636
2023	170085583871.78433