Year	current international $
2000	307.6127575724148
2001	325.902920848456
2002	328.37764513831075
2003	337.28630461315447
2004	354.0272671407728
2005	385.0493412532808
2006	410.34292173120406
2007	440.1100986049354
2008	451.39060874588847
2009	460.3907075350127
2010	461.60975247063885
2011	475.36547972169285
2012	491.24250551152613
2013	508.96791237441346
2014	527.9521782069355
2015	542.93892450767
2016	552.1015390178586
2017	592.2074327386127
2018	624.3630448915652
2019	613.7099392025953
2020	589.0484908960908
2021	629.72006425101