Year	current US$
1996	28539999.0081787
1997	45310001.373291
1998	76250000
1999	87059997.55859381
2000	108930000.30517599
2001	89110000.6103516
2002	122879997.253418
2003	249039993.28613302
2004	184220001.220703
2005	206410003.66210902
2006	189300003.05175802
2007	249080001.831055
2008	311980010.986328
2009	296790008.544922
2010	210360000.61035198
2011	153809997.55859402
2012	107209999.084473
2013	43600002.288818404
2014	46060001.373291
2015	71860000.6103516
2016	159089996.33789098
2017	84639999.3896484
2018	38579998.0163574
2019	142669998.168945
2020	84699996.9482422
2021	74470001.2207031
2022	25369999.52420593