Year	current US$
1989	5744136560.3539295
1990	6662572323.92606
1991	7206907227.323079
1992	8054408934.798548
1993	7852037807.386874
1994	8381526401.6049385
1995	9220421056.139645
1996	9578898054.1156
1997	9712809957.29624
1998	10336536449.66874
1999	10919439383.397282
2000	11113385287.44138
2001	11615894042.290411
2002	12817107999.575827
2003	15339894359.181086
2004	17185876037.20886
2005	18851768900.067413
2006	20404280898.987946
2007	24634966417.868694
2008	26695501480.737938
2009	25697458432.368877
2010	26577411327.443153
2011	29663886987.732742
2012	29498023566.87467
2013	30688452988.13732
2014	31639392623.92774
2015	29431397320.072285
2016	30506833772.401623
2017	33363427299.598965
2018	36057012145.89362
2019	36725307261.222
2020	37931561583.47741
2021	41641121472.46331
2022	41709197912.38011
2023	46033023504.37337