Year	current US$
2012	16234167.098999
2013	27106006.622314498
2014	7750790.11917114
2015	30050264.3585205
2016	16595169.067382798
2017	9456549.64447021
2018	1963079.21409607
2019	2952440.02342224
2020	4853104.11453247
2021	14693759.9182129
2022	16672065.7348633