Year constant 2015 US$ 1990 481437140.43088883 1991 533019691.7125978 1992 588771012.9413215 1993 648853693.1898267 1994 695070470.7077676 1995 741509956.2066344 1996 800698636.7121215 1997 832726582.1806052 1998 816072050.536993 1999 526754627.51598954 2000 832683747.8008344 2001 968839039.26555 2002 903891443.336976 2003 884166144.5735129 2004 887702844.3518049 2005 914197042.6909401 2006 876567845.0498341 2007 966550939.4089861 2008 1076687532.5047584 2009 1185938525.656047 2010 1296604518.7186325 2011 1373863213.87545 2012 1440641509.6892612 2013 1485364306.8856845 2014 1551797202.7211483 2015 1595205100 2016 1648934396.6318252 2017 1597082499.88231 2018 1586017900.575926 2019 1957336677.2987452 2020 2582939038.0810695 2021 2720236129.4742084 2022 2161456464.502912 2023 1851106829.1772978