Year	current US$
1990	32596341.2847696
1991	39964870.9484462
1992	48761225.6767016
1993	53283689.3017534
1994	59160490.6725734
1995	66651935.7417774
1996	70195303.3907079
1997	76820306.1883985
1998	97921537.2714342
1999	88932547.6121784
2000	98005307.4422032
2001	120710550.496167
2002	109026438.977609
2003	116201246.733778
2004	123770268.184706
2005	165655670.521831
2006	183683172.734211
2007	192634296.518014
2008	195915504.779643
2009	240272044.498598
2010	262634037.448292
2011	297985579.958876
2012	324992708.916435
2013	331335207.011558
2014	362297352.563076
2015	372069156.171168
2016	386767456.072169
2017	379035154.556764
2018	394138197.60999
2019	543990809.375474
2020	445320109.939494
2021	528527611.860271