Year current international $ 2000 1573.39686211524 2001 1600.25807314852 2002 1655.55937719806 2003 1737.37118679827 2004 1729.63829002921 2005 1551.55000124254 2006 1429.92552368986 2007 1506.62787740133 2008 1477.03409335978 2009 1847.63813091672 2010 1646.64112808102 2011 1404.19187817188 2012 1460.83959858525 2013 1415.42798512129 2014 1419.68810310524 2015 1396.69369847629 2016 1343.32414026233 2017 1292.16388473913 2018 1402.08336576553 2019 1326.04329867726 2020 1463.16673960044 2021 1358.16288658197