Year current US$ 1974 129999.995231628 1975 649999.976158142 1976 3079999.92370605 1977 4719999.79019165 1978 10710000.038146999 1979 2259999.99046326 1980 7969999.79019165 1981 2299999.95231628 1982 4000000 1983 8899999.61853027 1984 16659999.847412098 1985 8050000.19073486 1986 16770000.4577637 1987 15579999.923706101 1988 12439999.5803833 1989 4940000.05722046 1990 12579999.923706101 1991 2150000.09536743 1992 1240000.0095367401 1993 720000.028610229 1994 5880000.11444092 1995 23329999.9237061 1996 30079999.9237061 1997 21700000.762939498 1998 15159999.8474121 1999 13670000.076293899 2000 11649999.6185303 2001 20489999.7711182 2002 27670000.0762939 2003 21079999.9237061 2004 19549999.237060502 2005 12800000.1907349 2006 2109999.89509583 2007 -49290000.9155273 2008 -2670000.07629395 2009 -3269999.98092651 2010 -2720000.02861023 2011 -2960000.03814697 2012 -2740000.00953674 2013 -3079999.92370605 2014 -2619999.8855590797 2015 -1500000 2016 -1220000.02861023 2017 -319999.99284744303 2018 -219999.998807907 2019 -200000.00298023198 2020 119999.997317791 2021 150000.005960464 2022 -100000.00149011599