Year current international $ 2000 1137 2001 1186 2002 1291 2003 1345 2004 1446 2005 1557 2006 1466 2007 1495 2008 1598 2009 1711 2010 1819 2011 1678 2012 1560 2013 1632 2014 1654 2015 1701 2016 1826 2017 1878 2018 2009 2019 2159 2020 2368 2021 2582