Year constant 2021 international $ 1990 869.44688201191 1991 774.0945241878638 1992 678.7690277847715 1993 742.5639411554375 1994 741.0606124746602 1995 761.0685180323891 1996 828.6635853140853 1997 828.3126654566777 1998 775.5654517377387 1999 791.2741184771993 2000 814.8595794217198 2001 857.0961642391048 2002 844.9302725889293 2003 802.9917477805253 2004 886.1554782251658 2005 963.1463777595283 2006 1037.747802361433 2007 1124.1178091445893 2008 1210.5384134455135 2009 1280.6837130326187 2010 1401.3224978207415 2011 1514.186700118593 2012 1599.263610490906 2013 1720.537352132054 2014 1846.3868296772469 2015 1984.0662658803403 2016 2113.0546100600236 2017 2252.997759828874 2018 2343.0825292219665 2019 2472.50996957964 2020 2553.62926307579 2021 2628.343464126477 2022 2698.718987657953 2023 2802.5976094685757