Year constant 2015 US$ 1990 1721815786.2460847 1991 1970787458.4609084 1992 2330568852.0423703 1993 2659760530.28007 1994 2966241105.583042 1995 3334418978.2475214 1996 2937392276.995265 1997 3149896681.4909377 1998 3377622846.719445 1999 3342801920.8603454 2000 3493058770.4811363 2001 3517237613.541154 2002 3636593989.138164 2003 3717627650.726032 2004 3521266260.44895 2005 3703398113.2583966 2006 4004829198.4228215 2007 4248752427.061621 2008 4149326376.6652584 2009 3467272955.0309796 2010 3098153814.242673 2011 3433029456.3147144 2012 3528280182.4798255 2013 3729880283.410949 2014 3373974864.6913123 2015 3677970000 2016 3810904609.6688375 2017 3949574976.6076508 2018 4234338455.1875973 2019 4499195482.0658655 2020 4174619100.0825615 2021 5230335835.244473 2022 5457741741.124668 2023 5941232339.234934