Year	current US$
2013	650186421.9760185
2014	-559469034.6104287
2015	-831118204.9392024
2016	-150747121.0492851
2017	-123743209.86264989
2018	-748958145.6327615
2019	-849856601.0769689
2020	-912190500.2785264
2021	-1545145166.299987
2022	-628092236.1454189