Year current US$ 1978 100000.00149011599 1979 230000.004172325 1980 100000.00149011599 1981 109999.999403954 1985 500000 1986 939999.997615814 1987 610000.014305115 1988 1419999.95708466 1989 1629999.99523163 1990 2759999.99046326 1991 2619999.8855590797 1992 8159999.847412109 1993 9119999.88555908 1994 9069999.69482422 1995 9649999.61853027 1996 10840000.1525879 1997 9760000.22888184 1998 12470000.2670288 1999 13510000.2288818 2000 8420000.07629395 2001 12239999.7711182 2002 10189999.5803833 2003 14920000.076293899 2004 18399999.6185303 2005 17930000.3051758 2006 13779999.7329712 2007 12550000.1907349 2008 13770000.4577637 2009 12229999.5422363 2010 13079999.923706101 2011 12659999.8474121 2012 11800000.1907349 2013 10140000.3433228 2014 4199999.80926514 2015 -39999.9991059303 2016 -29999.999329447703 2017 -29999.999329447703 2018 0 2019 -9999.99977648258