Year	current US$
1998	3000000
1999	1886587.69309463
2000	4596293.69565217
2001	6393861.89258312
2002	16460011.8018523
2003	19014124.1399006
2004	49094956.625159
2005	40422531.016
2006	76579020
2007	90323100
2008	172184896.746366
2009	83443648.9182343
2010	169098104.271127
2011	312199055.155075
2012	531374750.341317
2013	441381964.048205
2014	336940233.605387
2015	227551598.295783
2016	170934427.066398
2017	183097762.13654
2018	216788387.33297
2019	233421699.204124
2020	145842925.539107
2021	143896890.286708
2022	128976380.355658