Year current US$ 1991 991817909446.0515 1992 943884209874.9772 1993 919603044073.2142 1994 843316596960.9998 1995 885893443072.0021 1996 920793576755.5718 1997 968844317550.9962 1998 913771320526.2894 1999 863398860111.0599 2000 903411408034.5012 2001 872566472271.2471 2002 942823384321.4745 2003 1103144393571.758 2004 1414038434347.104 2005 1791512944320.9866 2006 2192603195969.5723 2007 2706271810212.1436 2008 3304624224991.647 2009 3301778131809.281 2010 3519521843475.367 2011 3802233319073.5547 2012 4315164022923.7114 2013 4725052702730.012 2014 4717999205312.68 2015 4196172445781.2104 2016 3727752593127.2295 2017 3625073600994.9487 2018 3881455163456.147 2019 4108904853747.6304 2020 3984276966138.6055 2021 4386267889310.8145 2022 4748355092960.316 2023 5202338712716.621