Year current international $ 2000 15727329233.350994 2001 16268382350.253775 2002 16659777783.365034 2003 15996893503.184963 2004 16694820278.702602 2005 17715633050.3274 2006 18315076351.94442 2007 19798903794.50904 2008 20075245058.418903 2009 23034310798.838615 2010 22545055021.22111 2011 24265269726.426952 2012 26136638287.231823 2013 27515006950.98733 2014 28642819750.18382 2015 28353324993.392693 2016 30045214663.072495 2017 30296111134.890896 2018 30968980234.49637 2019 30703311282.98756 2020 29747348361.247986 2021 31182943562.785324 2022 32722118366.14967 2023 32425842484.80461