Year current international $ 1990 981.5092026381022 1991 1093.6670345851255 1992 1262.1411269182101 1993 1454.624662129994 1994 1660.4951205212396 1995 1860.6873080194803 1996 2061.0437010012065 1997 2266.922351016435 1998 2448.650942879709 1999 2650.5145238772147 2000 2917.6021545081994 2001 3208.585838413541 2002 3532.3156580344275 2003 3939.0188559060407 2004 4427.657137739756 2005 5056.987525615944 2006 5843.353090989144 2007 6820.040846581416 2008 7583.348896201771 2009 8305.841100027066 2010 9256.103882055819 2011 10292.940478067503 2012 11233.972767878058 2013 12011.680585607914 2014 12700.444017392168 2015 13201.673828078243 2016 13882.028046207855 2017 14750.36583303786 2018 16006.913121000427 2019 17262.175903735508 2020 17891.480286997103 2021 20406.729658460514 2022 22499.44266770185 2023 24557.63895344887