Year	current international $
2000	67.41743698800776
2001	73.0659216712396
2002	71.11300943653234
2003	69.90152088199534
2004	72.95837577477839
2005	70.12304733902485
2006	74.76032668439159
2007	79.49888517394479
2008	81.91991446885778
2009	80.89295799756866
2010	81.63167852017885
2011	84.33081600801106
2012	84.24433099798995
2013	92.1110913554623
2014	91.51237156660474
2015	94.35096374477997
2016	96.70333634067002
2017	88.22604901628695
2018	84.92147115564183
2019	84.77911325273556
2020	75.43321025738338
2021	78.0980844060593
