Year current US$ 1975 46277412.009306476 1976 38326180.25751073 1977 45697129.75882001 1978 45592402.92348233 1979 54591557.69900065 1980 75672450.653806 1981 64077959.52866306 1982 60657286.332222946 1983 67419082.18565108 1984 69208969.32332323 1985 68612340.27743252 1986 72788743.59866753 1987 85317953.5623726 1988 85964301.69542088 1989 74678068.9106548 1990 69308407.49763834 1991 69855317.4563715 1992 67250000 1993 66424700.44249988 1994 52503356.03838314 1995 70998856.46099538 1996 78804753.14473227 1997 66772734.0526028 1998 56182568.48804256 1999 68910654.80037788 2000 61050000 2001 64700000 2002 58700000 2003 63500000 2004 56600000 2005 60600000 2006 61158050 2007 62983650 2008 62077250 2009 64212999.99999999 2010 63628850 2011 61740850 2012 73922900 2013 82718150 2014 79088400 2015 75626350 2016 77876400 2017 83066050 2018 101682750 2019 107623800 2020 126511600 2021 94376000 2022 84396750 2023 88972477.4096385