Year current international $ 1990 2583.718450277321 1991 2681.886629686852 1992 2745.049966775828 1993 2844.6129451008187 1994 2941.7565822100964 1995 3083.4942977592978 1996 3255.1973423276436 1997 3420.343489150096 1998 3441.6863932503325 1999 3560.604506877447 2000 3796.137289665669 2001 3979.5731104240813 2002 4166.698856785216 2003 4428.276193999768 2004 4826.598041292214 2005 5259.762010659716 2006 5862.056976230543 2007 6472.069990514802 2008 6957.504235898939 2009 7127.629332797328 2010 7639.493938872632 2011 8175.33119868772 2012 8665.877703102751 2013 9045.506529869852 2014 9367.529215591012 2015 9458.989003267578 2016 9794.112424367107 2017 10296.08401221651 2018 10960.427447869548 2019 11567.960216702182 2020 11566.846005611485 2021 12931.336498544262 2022 14297.611284767598 2023 15391.883704969543