Year	constant 2021 international $
2008	53532.80732190183
2009	51210.24865910702
2010	50934.77978888278
2011	52849.74139402127
2012	56551.01229709243
2013	59828.8276387676
2014	63017.97677722199
2015	63175.730664654475
2016	63218.55500260832
2017	64489.19567128349
2018	65308.120050474645
2019	67217.50797926898
2020	64999.18620786557
2021	68124.18570285488
2022	71530.01297541482