Year current international $ 2000 449.668674897881 2001 460.180528090256 2002 526.307427289164 2003 589.237481650882 2004 597.756196053489 2005 614.10464954752 2006 652.574706874379 2007 693.905789044215 2008 726.352961705551 2009 769.445801203143 2010 805.643953739631 2011 834.363496546136 2012 866.465983462271 2013 913.549948852556 2014 933.550654283618 2015 952.063808378902 2016 970.513975500947 2017 1004.31023497775 2018 1058.11823459262 2019 1196.67915563839 2020 1064.32906109321 2021 1164.07641927925