Year	current US$
1985	340989527.96799475
1987	373371738.2864152
1988	395794538.6307752
1989	409220087.1028184
1990	452328087.28287596
1991	462421998.5257792
1992	478058304.8711182
1993	466048469.2298603
1994	491689220.7448754
1995	497723960.58991337
1996	494004647.7343702
1997	502675542.0012266
1998	514267869.30075794
1999	536080148.09729856
2000	551230861.8565054
2001	572417440.8201619
2002	591122039.6013976
2003	622044665.5150489
2004	666072101.7775052
2005	708633194.7265658
2006	768873684.032838
2007	847918929.1079838
2008	999105339.2677286
2009	1049110684.724934
2010	1128611700.361803
2011	1239144501.7752545
2012	1353632941.520698
2013	2042817162.8563871
2014	2214679081.256576
2015	2424391785.4389744
2016	2604955228.701166
2017	2762581334.2261186
2018	2913466732.1250725
2019	3088853638.568318
2020	3185150981.032067
2021	3385825228.8699703
2022	3674298479.076755
2023	4098530513.5577674