Year	current international $
2000	38.00522338188991
2001	39.53175760320425
2002	41.077333809561395
2003	50.794424758628764
2004	51.20939418779968
2005	55.942469378163764
2006	62.16228139547894
2007	65.44072274176332
2008	68.08041634685587
2009	70.02903598950526
2010	69.38396518532078
2011	69.74059776316474
2012	71.40748234207722
2013	77.76372015836716
2014	80.47523864956266
2015	85.12633485995947
2016	89.23761311944364
2017	88.49291159847917
2018	86.90314943490591
2019	89.80339281716996
2020	92.36123822856592
2021	104.1379891629451