Year current international $ 2000 4533.82633113624 2001 4881.20762645475 2002 5304.52024713334 2003 5708.55183499383 2004 6047.81821095971 2005 6404.18584363225 2006 6779.22768291122 2007 7132.44701849378 2008 7347.45468938295 2009 7602.74553373137 2010 7833.04507033477 2011 8021.59330073174 2012 8274.37255504139 2013 8433.69816048878 2014 8828.4764100666 2015 9248.93430579905 2016 9599.8910461831 2017 9902.81865605884 2018 10280.5266287718 2019 10658.3976786972 2020 11758.4246948745 2021 12012.2412198372 2022 12473.7910779276