Year current international $ 1990 1696.8453270478271 1991 1718.552958476251 1992 1911.8886989482417 1993 2092.3013832488045 1994 2240.9729128042304 1995 2420.6670783460254 1996 2553.954838943734 1997 2690.697329342372 1998 2828.690667345138 1999 3022.63388405427 2000 3106.579375442214 2001 3318.7375806198424 2002 3627.2097619092906 2003 3888.9634420261705 2004 4100.233670924313 2005 4431.176468055714 2006 4754.26698538774 2007 5599.994298344567 2008 5896.159562337123 2009 6314.700238902968 2010 7074.581996160114 2011 7734.7178057530555 2012 8385.919216629427 2013 8488.437073978983 2014 9141.577062991159 2015 10024.29561190849 2016 11078.923806429942 2017 11649.832038141194 2018 11932.85633447352 2019 12864.778009988378 2020 12434.674518468044 2021 13423.428872547469 2022 15021.728993412957