Year	current US$
2012	487208.873033524
2013	904851.675033569
2014	426660.001277924
2015	844519.9728012091
2016	480949.997901917
2017	459829.986095428
2018	962725.9373664861
2019	1350990.05699158
2020	1621286.7498397802
2021	2143970.0126647903
2022	1516031.8613052398