Year	current US$
1981	836496862868.0076
1982	834031600499.3225
1983	838166934076.7878
1984	855233166403.154
1985	872062381811.6621
1986	918345117477.4943
1987	954163213539.3448
1988	1031025688070.733
1989	1056301214698.2384
1990	1148411288839.2197
1991	1088418137749.4976
1992	1024618833811.9917
1993	994216306477.2317
1994	1090906151866.4796
1995	1207688795545.319
1996	1280422111017.922
1997	1245748930603.6968
1998	1205338767049.6892
1999	1137798028090.7537
2000	1134686488841.9094
2001	1119831856684.775
2002	1148645261964.809
2003	1284822234862.1458
2004	1465326758778.1428
2005	1526028673682.1948
2006	1640843363987.9692
2007	1951361492276.5789
2008	2249972304699.002
2009	2201750263129.3154
2010	2548018632707.6772
2011	2937929496992.8286
2012	3031297329281.225
2013	3222658244694.45
2014	3297718585694.483
2015	3172974688766.0347
2016	3183193956657.3413
2017	3360128504977.4053
2018	3420698961969.975
2019	3522204132095.3374
2020	3717836091160.7246
2021	4168837929180.114
2022	4325477358355.878
2023	4347043559537.1777