Year	current US$
2012	15040811.348706484
2013	21145576.86168701
2014	16142250.042408703
2015	21320540.014654394
2016	19474149.988964196
2017	21722040.146589275
2018	27620538.326911632
2019	50799879.855476335
2020	34243348.98404778
2021	29666110.29766501
2022	31260559.892281875