Year	current US$
2009	782119995.117188
2010	527520019.53125
2011	583179992.675781
2012	566739990.234375
2013	568549987.792969
2014	579390014.648438
2015	437809997.558594
2016	370029998.779297
2017	392369995.11718804
2018	345109985.35156304
2019	344790008.544922
2020	544080017.089844
2021	453500000
2022	381380004.88281304