Year	current international $
2000	156.95217021509103
2001	177.05333769718933
2002	197.91575268806383
2003	221.4540371447382
2004	248.26274242685423
2005	271.77616555127
2006	314.7345258213609
2007	338.4971076461992
2008	370.98602045713113
2009	408.1733104177378
2010	404.24128803324464
2011	420.71135747721894
2012	449.2634687253987
2013	470.03888074231514
2014	486.33613269174896
2015	489.6631656950855
2016	520.8026944026966
2017	527.7750878182068
2018	534.5775370523953
2019	564.5366666572869
2020	640.6770532704709
2021	711.0452385446247