Year	current US$
1998	261980103.6279784
1999	276735082.5431682
2000	256134510.00806308
2001	262184223.2264815
2002	297970306.51505446
2003	374506132.9771104
2004	422429176.1746601
2005	424843727.4678625
2006	458017891.75763834
2007	486629707.5455438
2008	585069984.1407967
2009	631148591.6067325
2010	533120901.5636455
2011	549200623.2382816
2012	505878444.68020344
2013	513351499.3138488
2014	518097767.16951656
2015	567468303.0304741
2016	589132267.5396976
2017	665258872.408512
2018	727955724.3059539
2019	766165842.4509106
2020	552244964.063145
2021	732228973.6492687
2022	891573054.7922571
2023	1090198100.6278782