Year	current US$
2010	2199647624.56191
2011	1972229598.40931
2012	2174093438.54199
2013	2247232285.00942
2014	2205597849.67062
2015	2291788700.70891
2016	2351528153.09303
2017	2521012769.77819
2018	2553530339.58247
2019	2491747188.13182
2020	2352966124.37505
2021	2778324522.78742