Year current international $ 2000 1406 2001 1494 2002 1624 2003 1711 2004 1808 2005 1910 2006 2015 2007 2079 2008 2338 2009 2361 2010 2385 2011 2473 2012 2533 2013 2621 2014 2626 2015 2689 2016 2873 2017 2989 2018 3237 2019 3590 2020 3867 2021 4165 2022 4388