Year	constant 2021 international $
2011	1511.0377293958577
2012	1595.867936396517
2013	1716.8290768994375
2014	1841.463756496201
2015	1976.217041839247
2016	2106.1577569372857
2017	2239.7419037085556
2018	2332.8616706776734
2019	2457.5962837220636
2020	2539.1671024211873
2021	2614.792524285874
2022	2686.6788749126913
2023	2795.506984350328