Year constant 2021 international $ 1990 13298516934.004906 1991 12715886683.152857 1992 11885074901.648422 1993 13112737917.205517 1994 11745916909.305763 1995 13907602753.027224 1996 16025998244.971907 1997 16567205519.245316 1998 17130546795.13142 1999 18745099576.59264 2000 21802693420.022163 2001 21863795381.093266 2002 22017465854.206024 2003 22427537914.35483 2004 22104391105.755955 2005 22685700238.472115 2006 22984178048.237568 2007 23687462208.159775 2008 23799353718.467426 2009 26071327890.948692 2010 24334714960.027843 2011 25189799351.906807 2012 25470602924.716072 2013 26908428823.12158 2014 26902745736.195683 2015 28103428292.96464 2016 29674010037.872616 2017 31170492593.3917 2018 32449992645.537632 2019 32117224252.68105 2020 30817872803.797024 2021 31182943562.785324 2022 30960598864.80963 2023 30984788899.10397