Year	constant 2021 international $
2006	39826.98172764272
2007	40813.40372962804
2008	40264.6340895433
2009	38813.870017989764
2010	36882.21787521567
2011	32813.56875718611
2012	31614.152149623842
2013	30937.48989898919
2014	31677.08228141601
2015	32084.61734848179
2016	32068.470794701272
2017	32372.07923430514
2018	32491.23436238085
2019	33130.12669637126
2020	30333.290945586454
2021	32763.773336918857
2022	34502.31919578093
