Year current international $ 2000 1607.11577914585 2001 1702.87131636147 2002 1841.2642603022 2003 1855.57554805068 2004 1985.82482336076 2005 2124.95758741029 2006 2399.29765322976 2007 2446.20159610578 2008 2721.0972402777 2009 2951.73789487565 2010 2997.29840144158 2011 3115.07056764132 2012 3182.36330267679 2013 3385.86670731745 2014 3507.99389050271 2015 3493.66199328289 2016 3727.76816062296 2017 3839.43309115587 2018 3891.08642395332 2019 4377.54456741863 2020 4606.93994713534 2021 4753.72182523075