Year	constant 2015 US$
1995	299932493.75992733
1996	246570796.46017694
1997	2435072044.474699
1998	4447562968.0054455
1999	4923884161.561152
2000	5186414794.644883
2001	6085535511.685953
2002	6530312570.909915
2003	7608342977.081914
2004	8427898230.088494
2005	10465849217.154526
2006	12637347969.140003
2007	14381400612.661673
2008	16771768776.945768
2009	12717865327.887451
2010	10443484229.634672
2011	10101586680.28137
2012	10413259587.020649
2013	9858888132.51645
2014	10536279214.88541
2015	10670483321.987747
2016	10188353755.389154
2017	10847603244.837759
2018	11979370887.22487
2019	12449092920.353983
2020	11849733378.715681
2021	13131565690.946224
2022	14646027342.863626
2023	11993521670.070343