Year	current US$
2014	1291280.1504135102
2015	4130870.3422546396
2016	3604171.9913482703
2017	3533951.99775696
2018	6653876.30462646
2019	5260707.85522461
2020	14341810.2264404
2021	6245930.19485474
2022	11511448.8601685
