Year	current US$
1981	111634943.77790351
1982	101739410.38056397
1983	99647069.85084297
1984	114093705.89221838
1985	121216922.39808904
1986	130364405.42760798
1987	121504520.0678932
1988	138555882.45616126
1989	158170113.8101217
1990	181235674.1825687
1991	168446160.070999
1992	177729954.3819102
1993	184254917.33246756
1994	197917880.55495083
1995	208993961.69032836
1996	229212468.2200373
1997	243858331.48175612
1998	258022325.14254513
1999	259659640.47273538
2000	264001839.42166895
2001	259539524.17540365
2002	237963450.76396465
2003	271293466.51588666
2004	325135526.06612664
2005	372951783.56994873
2006	427330941.9254822
2007	460153973.07772577
2008	552211294.655235
2009	581641587.7479458
2010	615030549.1664195
2011	680349011.9587687
2012	706678446.9842415
2013	771147241.2156309
2014	790747965.2219553
2015	765738788.4125823
2016	787372330.8113785
2017	828668272.773995
2018	928335770.7722069
2019	1091552690.4845343
2020	1013997839.5206602
2021	1069259237.6306722
2022	1166592325.122361
2023	1224681373.7654877