Year	current US$
2012	16970981.69848323
2013	22793955.964036293
2014	18763419.967144724
2015	23493940.03674388
2016	22683189.9676472
2017	25187970.109283928
2018	33776505.20112366
2019	61860079.69942877
2020	41152913.24444117
2021	36456530.2487463
2022	37112079.67996596