Year	current US$
2012	11407563.44795227
2013	14877204.472199094
2014	11894280.04994988
2015	16481199.914589519
2016	15299309.929832824
2017	16013510.099146526
2018	25243434.14884061
2019	37299649.8560533
2020	30352106.59541189
2021	27811610.288918026
2022	25896683.212369673