Year	current US$
2012	4827432.01870471
2013	6505854.66856137
2014	5264580.04396409
2015	7131180.07965386
2016	6714979.97333063
2017	6317280.00938892
2018	10328734.3978882
2019	16258169.9136645
2020	12345986.515283601
2021	11607099.9950171
2022	11239411.950111387