Year constant 2015 US$ 1991 564904888013.0839 1992 563045970815.4675 1993 577395849284.4972 1994 587771865280.0552 1995 610800028089.0485 1996 633918885970.9966 1997 656207487222.185 1998 678214994826.6681 1999 698400582713.3765 2000 713854052422.463 2001 742215135649.7714 2002 765177290249.5583 2003 798264377820.3672 2004 841163803877.5953 2005 884713797721.1232 2006 944365961638.8068 2007 996500808829.4806 2008 1032256014674.8357 2009 1059226662934.7631 2010 1118511662827.5413 2011 1163047824572.0164 2012 1218225227851.014 2013 1283337365849.4456 2014 1323161972519.042 2015 1374240379061.9373 2016 1403582242125.0154 2017 1439489009330.2266 2018 1478972304798.246 2019 1524828522363.1523 2020 1502772031157.1826 2021 1576369686550.067 2022 1633154486213.014 2023 1668325023600.14