Year	current US$
2010	655536479827
2011	728702485508
2012	790690944474
2013	854498820591
2014	860338403396
2015	847934570845
2016	790114729699
2017	874514130275
2018	973491923715
2019	948571101767
2020	994340860252
2021	1208306294013
2022	1006573235781