Year	current US$
1999	879996683.3332373
2000	787905548.5460986
2001	577441156.412818
2002	737013576.5048631
2003	886647349.4227926
2004	995545455.3674219
2005	898336112.4989874
2006	912556959.8543334
2007	1021774132.511074
2008	1146183727.1445453
2009	1072345700.2289398
2010	1106325616.8075774
2011	971627578.1778089
2012	936121999.1357741
2013	1008954308.9022477
2014	1121402084.7042413
2015	908994192.4660633
2016	986006519.6986027
2017	1016439643.5587807
2018	1211333488.4205887
2019	1264197261.103216
2020	1365208332.7275176
2021	1612877054.4029078
2022	1601775002.7010171
2023	1883513329.1927657