Year current international $ 1990 1458.7124122011421 1991 1598.7629519612647 1992 1776.7453240370994 1993 1980.0619866353147 1994 2199.636824580748 1995 2428.83818084753 1996 2656.9957372304148 1997 2849.0737205138535 1998 2870.5902852382337 1999 3047.391378454224 2000 3311.6574657864594 2001 3571.61226561419 2002 3869.3839411567583 2003 4244.452955038914 2004 4698.801623842151 2005 5258.695056572335 2006 5936.286646839263 2007 6759.504246023541 2008 7398.434403836226 2009 7936.136693726502 2010 8737.347825923882 2011 9579.146209113425 2012 10417.60188040818 2013 11055.90665840867 2014 11618.658724540215 2015 11998.932351408414 2016 12586.99215374808 2017 13337.2597532909 2018 14425.083800337528 2019 15487.947322903494 2020 15792.447911018862 2021 17704.28560433953 2022 19590.353362968763 2023 21270.77623921995