Year	current US$
2008	324321646213.47253
2009	280445995386.07007
2010	347315817192.99316
2011	391494346889.7472
2012	441706108191.48346
2013	494387410379.98584
2014	555021693443.6843
2015	480318932817.4764
2016	398387885254.1813
2017	367400071058.2656
2018	410486871490.79236
2019	465356470849.4028
2020	427431916390.6162
2021	432256033385.2432
2022	459752024602.9697
2023	355832510270.13495