Year	current US$
1980	205530079.10543194
1981	217178537.2712884
1982	211750091.93086123
1983	235973319.28911227
1984	192735143.2036153
1985	148690360.25441128
1986	169578792.1919693
1987	232219720.25011382
1988	240407924.21973836
1989	243595737.07704002
1990	289991774.56527424
1991	284498943.4381807
1992	341817711.9747659
1993	360084578.28065985
1994	383157447.98774815
1995	402874429.4660864
1996	310702294.6962435
1997	359142740.3264176
1998	369250657.16594875
1999	339419777.51312554
2000	382009337.9835926
2001	342315140.0812691
2002	315540758.164483
2003	561337620.0585109
2004	700044506.7590674
2005	760211628.5462537
2006	1007669060.6020304
2007	1190923498.4389868
2008	970276930.6165898
2009	1149966830.2275538
2010	1405993629.1395245
2011	1685301338.0091164
2012	1589827101.5872912
2013	1242659610.31069
2014	1232172796.7837348
2015	1294156290.8202899
2016	1252201894.2852247
2017	1575793318.3013904
2018	1682728895.139483
2019	1563025089.2832425
2020	1166291326.0168836
2021	1336607191.2106261
2022	1396115771.6258297
2023	1387559980.7834206