Year	constant 2021 international $
2007	6531.558270380488
2008	6880.538298017679
2009	6710.051703545554
2010	6645.190726606259
2011	6856.892985264277
2012	6827.18000840596
2013	6840.844863520745
2014	6715.772307669384
2015	6782.729604472014
2016	7000.818167556434
2017	7248.560283315342
2018	7504.091349404024
2019	7963.250170928365
2020	6230.215832568327
2021	6660.352015610918
2022	7769.236893860516
2023	8165.379172325351