Year current US$ 1970 2359999.971464276 1971 1650000.0003725295 1972 1490000.0039488077 1973 1199999.9955296523 1974 439999.9938905245 1975 249999.9906867742 1976 279999.99746680236 1977 1699999.956414107 1978 759999.9830126758 1979 789999.9748915441 1980 149999.99292194887 1981 129999.99523162811 1982 299999.9970197677 1983 189999.99389052283 1984 -300000.0081956383 1985 -150000.0022351741 1986 -439999.98643994355 1987 -440000.00134110433 1988 -79999.99448657024 1989 159999.99642372143 1990 12049999.892711634 1991 28099999.617785193 1992 44339999.7353554 1993 4419999.919831749 1994 13569999.946281318 1995 34859999.7460842 1996 33280000.090599112 1997 44089999.60869548 1998 64110000.26576221 1999 82149999.79920693 2000 58710001.379251495 2001 70500000.40233135 2002 51980000.337585844 2003 48589998.936280586 2004 31289999.336004265 2005 1149999.9724328541 2006 399999.9910593033 2007 1740000.0095367471 2008 1660000.0523030716 2009 1699999.958276746 2010 1319999.992847443 2011 909999.9815225597 2012 1779999.971389773 2013 1160000.026226044 2014 3929999.947547912 2015 5759999.975562096 2016 18200000.22649762 2017 30049999.59468838 2018 40370000.63061718 2019 1149999.9910593028 2020 1810000.0023841849 2021 3860000.0888109216 2022 9709999.859333036