Year	current US$
1994	2905014.753
1995	1283825.09832797
1996	1684442.02096036
1997	1737374.15666674
1998	2644205.9931762
1999	2314638.97708072
2000	4052634.24742114
2001	11020698.078229
2002	19148980.4054451
2003	51207275.0953853
2004	166878296.145532
2005	254609795.001366
2006	392138800.936625
2007	381282757.248446
2008	416329238.376316
2009	340051323.524627
2010	357084044.165656
2011	438650597.669985
2012	460675591.639287
2013	564796469.369822
2014	543923581.651102
2015	457282652.455696
2016	486482638.423944
2017	505091283.786081
2018	570404476.883315
2019	541915243.762818
2020	506846948.616148
2021	589900330.984054
2022	470072639.831333
2023	487257271.297153