Year constant 2015 US$ 1990 378748675.5886218 1991 354154605.71620864 1992 359893222.2075217 1993 350875396.41341835 1994 347596187.1106281 1995 379568478.02426296 1996 400063536.1244158 1997 413180373.33557665 1998 411799668.2467541 1999 403980226.3858456 2000 379966352.93234706 2001 390122431.2378206 2002 399373402.79082257 2003 405835380.8148095 2004 423599886.0428505 2005 417461226.38459724 2006 431423775.04174507 2007 433385928.53756446 2008 450676413.03673947 2009 471772999.4916306 2010 493893438.31961876 2011 490026960.3596377 2012 573135956.6231047 2013 688102694.8150815 2014 707934235.4284743 2015 738468134.9792913 2016 778992592.2609198 2017 835237278.5763115 2018 865887545.581008 2019 931688468.7217406 2020 966554272.5780101 2021 1011478814.6495711 2022 974690952.4107559 2023 1026349572.8394741