Year current international $ 2000 2338.9689485734157 2001 2476.5202741891585 2002 2695.4700574893604 2003 2909.3129217398864 2004 3057.6938824585127 2005 3235.463361526206 2006 3388.979931221988 2007 3562.5242731814496 2008 3593.5399615760443 2009 3650.59733685409 2010 3737.653367405084 2011 3817.7261272223336 2012 3943.2396133353586 2013 3967.91795184104 2014 4048.222679842152 2015 4186.494460858214 2016 4369.492768052513 2017 4508.786769076852 2018 4651.516415938925 2019 4780.91165604235 2020 4702.11616372054 2021 4987.084177621294