Year	constant 2021 international $
2013	4378934655.233477
2014	4688155019.466566
2015	5040990672.514285
2016	5400082232.1998
2017	5694823662.437969
2018	5966718285.138442
2019	6297580606.580269
2020	6380479642.794441
2021	6669027120.132229
2022	6917686896.114754
2023	7379556613.610556