Year	current US$
2012	731070.041656494
2013	853457.927703857
2014	778850.018978119
2015	1235679.98409271
2016	1009520.05386353
2017	1397930.02605438
2018	1269795.41778564
2019	1993109.94148254
2020	1591899.6334075902
2021	1806599.9746322602
2022	1149294.2571639998