Year	current US$
1990	39860302.577022
1991	44826221.5363617
1992	46879881.4030219
1993	45666107.141317
1994	47176370.6300583
1995	52536493.7005366
1996	58145410.3721534
1997	57059479.6931149
1998	53676538.3829069
1999	53482519.4018113
2000	55397246.3083632
2001	51075212.3597771
2002	41430545.568606
2003	41030884.5015719
2004	48440477.0987239
2005	49000754.6785574
2006	54494163.5371009
2007	67558851.5681258
2008	86392325.3867498
2009	79526369.0176
2010	83790946.9210652
2011	96354618.3550207
2012	94273530.4910732
2013	98669569.179923
2014	97355096.2995877
2015	82355510.1529352
2016	83899569.9534084
2017	92093681.6659588
2018	91548744.9616104
2019	85724277.8340389
2020	80426785.400344
2021	85181640.6104222