Year	constant 2021 international $
2010	11096.662141486577
2011	11955.98482842578
2012	13056.306864267111
2013	13663.274695009555
2014	14286.738213651219
2015	14595.625567127163
2016	14742.254906769638
2017	15443.00292962484
2018	16565.80674598425
2019	17354.578599035038
2020	16207.725984161001
2021	17737.215981225938
2022	19525.30945509068
2023	20752.570089335484