Year current international $ 2000 1460.98750423763 2001 1608.31214865832 2002 1788.03457588029 2003 1933.94746928737 2004 2155.19230775508 2005 2245.05704191733 2006 2460.61780710662 2007 2521.63894102011 2008 2717.83040371574 2009 2874.39289843457 2010 2956.47082386723 2011 3009.67462555466 2012 3094.63957514898 2013 3194.35049527147 2014 3300.66783837073 2015 3385.77986975822 2016 3511.99539632046 2017 3585.25996516838 2018 3688.18897291376 2019 3938.43466657603 2020 4671.92913177557 2021 5155.13361493334