Year	current US$
2012	312504.470348358
2013	305242.568254471
2014	281159.996986389
2015	310090.00539779704
2016	539799.988269806
2017	687269.985675812
2018	692281.84223175
2019	877969.980239868
2020	1459273.81515503
2021	1543400.04920959
2022	1184736.60945892