Year constant 2015 US$ 1980 135670950.22902384 1981 140916482.71189263 1982 149910158.2863781 1983 157138719.96306732 1984 163595238.87669933 1985 167327816.59002852 1986 170450231.4744899 1987 173242660.33925745 1988 177899821.52286085 1989 172240249.97754604 1990 181009784.10469228 1991 171244065.7671496 1992 185853729.82774502 1993 191438587.55728012 1994 181336657.04872862 1995 187883455.1564278 1996 185458369.21924394 1997 192932863.8728748 1998 195407759.02057847 1999 199165241.3391676 2000 220773099.47779804 2001 225922126.61528468 2002 231173885.24946848 2003 236039622.50212365 2004 240569147.58377 2005 247396122.5006432 2006 253946033.68399984 2007 257476261.47959226 2008 263142059.17622206 2009 276297916.90477014 2010 283756846.18011355 2011 289715272.9885473 2012 285372532.4463503 2013 300495853.9904314 2014 297024274.0497656 2015 295591805.98350495 2016 301196115.4549783 2017 312599112.9741332 2018 329894140.3788687 2019 332900828.5436083 2020 347676845.40549785 2021 359628380.86434275 2022 367586518.28250766 2023 378538967.52182823