Year current international $ 2000 1895.53076227732 2001 2052.58907291582 2002 2230.40048208781 2003 2450.89797290318 2004 2673.06232859923 2005 2748.61276002806 2006 3009.65607226476 2007 3077.96851213637 2008 3331.49553110221 2009 3538.69409795103 2010 3646.11055208212 2011 3711.93667448644 2012 3827.54229328603 2013 3960.32288237015 2014 4087.61425927848 2015 4190.53565364736 2016 4320.89364463518 2017 4438.51618665048 2018 4606.09482415547 2019 4921.8931313963 2020 5581.50920369987 2021 6159.79634020859 2022 6265.54315002907