Year constant 2015 US$ 1996 173901343597.98044 1997 177171493831.20782 1998 182236273260.7058 1999 182259109174.8784 2000 189958659614.9735 2001 200814457752.5238 2002 204293423055.97018 2003 219211898006.86908 2004 236517492625.98157 2005 255862604739.96747 2006 288150415666.1513 2007 318637387300.7744 2008 343690926037.854 2009 342726579321.4783 2010 358410051213.84674 2011 369857674972.1072 2012 410972844057.3556 2013 428336145281.8307 2014 467267203832.581 2015 500926685060.66034 2016 540148155141.05835 2017 584383038376.8865 2018 636906134205.2104 2019 661477482434.7705 2020 648357106498.2173 2021 703753999715.0206 2022 740968317321.6405 2023 803994185804.3268