Year	current US$
2012	12745580.807328226
2013	15847527.717240157
2014	13646880.023181437
2015	15689640.054479243
2016	17277989.983558662
2017	18806050.075683743
2018	24133668.97404194
2019	45045440.00327589
2020	30467213.66420389
2021	26697310.179471992
2022	24421792.643144716