Year	current US$
2009	436790008.544922
2010	366239990.234375
2011	452260009.765625
2012	397032653.808594
2013	473714233.39843804
2014	470973663.330078
2015	663963012.695313
2016	534356323.242188
2017	528232421.875
2018	518174011.230469
2019	546575012.207031
2020	273014617.919922
2021	608591979.980469
2022	192637623.82045388