Year	current US$
2012	74182.2198033333
2013	94565.8683776855
2014	65600.0003218651
2015	121009.99802351
2016	106229.998171329
2017	83559.9973797798
2018	64274.400472641006
2019	512889.98126983596
2020	209739.923477173
2021	208800.002932549
2022	163522.094488144
