Year	current US$
1980	425389870.41877407
1981	450488757.3175693
1982	447943783.57003987
1983	421397961.6179592
1984	421601378.64435923
1985	384935644.8381143
1986	273327591.1570485
1987	232617112.23326403
1988	368304316.36332375
1989	330972483.4971626
1990	338898197.275132
1991	380882217.51542497
1992	367473788.4635088
1993	449222064.7086817
1994	537771947.0200447
1995	559323526.8211045
1996	629493730.0181305
1997	627666506.4991598
1998	480932061.28602815
1999	489650779.16274464
2000	482812598.55950105
2001	532400148.9204687
2002	383328996.7419258
2003	386807460.5616616
2004	462762723.86420137
2005	614299869.3337854
2006	669232946.6829307
2007	738499738.6304234
2008	842703916.4203746
2009	864328205.8616207
2010	1023510320.1053605
2011	1080869003.393289
2012	1219572049.88088
2013	1376378278.4076166
2014	1429465333.4860945
2015	1425097056.8774085
2016	1504701784.1755185
2017	1557524098.592817
2018	1700508204.6474664
2019	1781694494.542601
2020	1609221404.0618682
2021	1634611660.6474411
2022	1789975855.6434538