Year	constant 2021 US$
1996	210398532
1997	213299213
1998	243927988
1999	259739770.00000003
2000	367682211
2001	333953723
2002	420707301
2003	444895165
2004	347760564
2005	407193887
2006	429904528
2007	450202427
2008	574925181
2009	501398979
2010	441525403
2011	348532116
2012	291411962
2013	210303880
2014	222117629
2015	257045674.00000003
2016	400403078
2017	333269361
2018	295315514
2019	393235704
2020	344978897
2021	340850000
2022	375570347