Year	current US$
2011	734000000
2012	768000000
2013	925000000
2014	1013000000
2015	857000000
2016	856000000
2017	761000000
2018	919000000
2019	928000000
2020	598000000
2021	775000000
2022	1083000000
2023	1341000000