Year current international $ 2000 247.818386339493 2001 256.468163857306 2002 282.007051529974 2003 300.899035944344 2004 322.98395169216 2005 307.890783976312 2006 307.23674615171 2007 365.894174009713 2008 332.627269247295 2009 277.064599120343 2010 337.251143253236 2011 365.471366780547 2012 366.106476314488 2013 412.417886849175 2014 412.019897886817 2015 454.266440952797 2016 462.656684538807 2017 419.383124443917 2018 406.787731720987 2019 415.775951461954 2020 421.753631357209 2021 446.939706187158