Year	current US$
2011	569999.992847443
2012	454642.057418823
2013	515233.218669891
2014	618364.51292038
2015	680383.443832397
2016	526195.168495178
2017	519552.40964889503
2018	946522.71270752
2019	1965748.90613556
2020	106949.709355831
2021	958500.027656555
2022	949761.569499969