Year	current international $
2000	34.9182585687943
2001	36.4249825990867
2002	39.8844077389628
2003	38.2511254344988
2004	43.6773130199772
2005	43.2229291577373
2006	38.0304826429677
2007	39.6348618374911
2008	38.2649245062751
2009	41.6159286563761
2010	39.3747920607689
2011	39.6620809583678
2012	38.0486148023902
2013	39.1010850151818
2014	58.4275025537537
2015	71.8629406594243
2016	66.7407602651391
2017	70.1418842224342
2018	68.7747247213277
2019	72.3184860543321
2020	72.1557053038577
2021	64.5526535054428