Year	current international $
2000	598.242577722576
2001	604.590585864595
2002	591.500657539085
2003	648.716787721307
2004	679.93518614907
2005	723.280682717202
2006	781.460297599302
2007	840.553326614903
2008	904.837213653864
2009	948.140144676885
2010	995.389318380588
2011	1055.12835914252
2012	1051.60593717829
2013	1098.78428990112
2014	1067.04487348173
2015	1093.74465696005
2016	1106.59452129185
2017	1112.84356887396
2018	1158.59853236421
2019	1190.19975327386
2020	1158.82360291231
2021	1209.89111444347