Year	current US$
2012	13281702.592968943
2013	16778469.85310317
2014	12289850.100874899
2015	17006780.10284901
2016	13614039.83831405
2017	17666750.013828274
2018	18568566.928617656
2019	27136390.175204735
2020	20269948.07645678
2021	22015470.193699
2022	18980956.466868527