Year	current US$
1993	1583845158.40186
1994	745032037.24471
1995	568773360.873994
1996	364259861.752694
1997	756243335.434317
1998	990869269.768985
1999	501272614.693466
2000	845256659.45214
2001	492219503.130141
2002	593187268.023828
2003	1300136605.29755
2004	2753607665.08615
2005	4324175191.30211
2006	6088836491.36164
2007	7171270017.79526
2008	10566664971.3986
2009	6539154286.90436
2010	7744192288.63166
2011	11635513351.8221
2012	11538231269.5937
2013	11339644701.7234
2014	11263334047.8376
2015	8456922146.60886
2016	5726059284.50023
2017	7313054577.42409
2018	8467637551.00354
2019	8324028660.51643
2020	7055531366.16834
2021	8632809826.53482