Year	current US$
2012	14835981.6744924
2013	18686556.9651127
2014	14896809.9579215
2015	19166829.999536302
2016	19287509.9107623
2017	23925849.8698473
2018	20352643.2393119
2019	31063419.9522901
2020	20999254.2844266
2021	20918280.1190764
2022	17816007.87490606