Year	current US$
2001	482139256.281058
2002	426717970.781921
2003	436353738.68448
2004	544237616.792745
2005	616113165.805626
2006	744542032.832121
2007	813339672.983583
2008	867252989.290251
2009	914911081.627098
2010	462074227.483236
2011	501693119.042171
2012	482855898.001992
2013	492589892.54231
2014	556811340.224647
2015	629168302.532534
2016	508597351.4638826
2017	532978909.5721231
2018	551279400.6905632
2019	599016804.3485686
2020	332555667.2111653
2021	181402135.1669777
2022	263054931.3632129