Year	current international $
2000	923.641811465762
2001	1031.71963630257
2002	1127.05592517405
2003	1274.91195780833
2004	1329.57135464229
2005	1402.73721211222
2006	1476.60560008819
2007	1580.22309530259
2008	1777.90518435705
2009	2015.99041732544
2010	2117.71848606759
2011	2193.88560690246
2012	2231.65585152558
2013	2317.52124577877
2014	2477.29024830647
2015	2499.87668097591
2016	2690.85080041556
2017	2869.78513781705
2018	3079.39892120233
2019	3368.60496777323
2020	3947.01711822376
2021	4249.36157966936