Year current US$ 1984 150000.005960464 1986 379999.99523162795 1987 970000.028610229 1988 1000000 1989 1230000.01907349 1990 2029999.97138977 1991 3930000.0667572 1992 2390000.10490417 1993 3069999.9332428 1994 1419999.95708466 1995 2890000.10490417 1996 1600000.02384186 1997 920000.016689301 1998 430000.00715255697 1999 109999.999403954 2000 129999.995231628 2001 70000.0002980232 2002 140000.000596046 2003 209999.993443489 2004 219999.998807907 2005 379999.99523162795 2006 360000.01430511504 2007 319999.99284744303 2008 150000.005960464 2009 189999.99761581398 2010 100000.00149011599 2011 129999.995231628 2012 239999.994635582 2013 29999.999329447703 2014 19999.9995529652 2015 0 2016 19999.9995529652