Year current international $ 2000 1471.30535397173 2001 1560.72657778821 2002 1673.40278595226 2003 1910.68330932337 2004 2019.82213217103 2005 2152.13669086431 2006 2425.91968389317 2007 2596.8217840373 2008 2805.62379087533 2009 2930.83403446534 2010 2894.6855606629 2011 2926.37442506735 2012 2900.92182112853 2013 2933.97154015773 2014 3045.05126416832 2015 3185.0479294587 2016 3340.99644645885 2017 3542.68842892349 2018 3674.16293211054 2019 3959.18583587932 2020 4084.51946612834 2021 4367.57758262678