Year	current US$
2012	191094.994544983
2013	170070.06704807302
2014	192029.99770641298
2015	110299.997031689
2016	144309.997558594
2017	211229.994893074
2018	178486.749529839
2019	664300.02450943
2020	93155.4511189461
2021	499399.989843369
2022	259780.85398674