Year current international $ 1990 2330.4269769708753 1991 2439.1580035034794 1992 2545.6692497146487 1993 2655.9756204199784 1994 2778.144397253775 1995 2919.7038700402636 1996 3101.4107877763986 1997 3263.870620322122 1998 3297.704693014586 1999 3421.0067320276153 2000 3636.1504264041923 2001 3800.7713288752743 2002 3978.4669735692464 2003 4226.317084476578 2004 4605.5355845429585 2005 5013.28084171126 2006 5515.530757796263 2007 6063.095542753647 2008 6454.463783680683 2009 6674.496162607803 2010 7193.836472263474 2011 7692.1787410598845 2012 8142.021797253255 2013 8513.868925109242 2014 8804.497791973396 2015 8933.82633830971 2016 9270.539018795518 2017 9724.594154736184 2018 10350.04725802456 2019 10894.642315213445 2020 10886.246706240743 2021 12120.209068656446 2022 13429.300802799538 2023 14454.186969632741