Year current US$ 1986 1637198701.4642267 1987 1690598444.2200968 1988 2077095605.51726 1989 1982264278.0279667 1990 2075818378.149044 1991 2347842849.620278 1992 2626985597.9248314 1993 2618985064.498816 1994 2778103871.688823 1995 3028755557.3039045 1996 3263680982.348874 1997 3112909994.426315 1998 3101446265.589479 1999 2926343432.5242934 2000 2514940633.613304 2001 2403956343.09902 2002 2594826786.278014 2003 2674850928.917563 2004 2925199224.129527 2005 2372877526.8154097 2006 4100773334.692887 2007 6319574301.131106 2008 6594076359.891112 2009 6950461829.287381 2010 6342114128.835567 2011 6561014569.361158 2012 7208635402.265855 2013 8710944903.477566 2014 8829245387.89857 2015 9259030497.002394 2016 8632625720.792547 2017 9257161555.55806 2018 10555437386.314262 2019 11910732443.454117 2020 12723389744.240528 2021 14308526699.99995 2022 18967641968.362823 2023 15170523318.013248