Year current US$ 1980 400000.00596046395 1981 1980000.01907349 1982 2319999.9332428 1983 1799999.95231628 1984 4719999.79019165 1985 2849999.90463257 1986 5920000.07629395 1987 14079999.923706101 1988 17969999.3133545 1989 14970000.2670288 1990 16090000.152587902 1991 8779999.73297119 1992 9930000.30517578 1993 8819999.69482422 1994 6119999.88555908 1995 7969999.79019165 1996 8760000.22888184 1997 5179999.82833862 1998 4349999.90463257 1999 4739999.771118159 2000 7880000.11444092 2001 3730000.01907349 2002 4519999.98092651 2003 4329999.92370605 2004 4719999.79019165 2005 4170000.07629395 2006 3519999.98092651 2007 3779999.97138977 2008 4210000.03814697 2009 2549999.95231628 2010 3140000.10490417 2011 3680000.0667572 2012 3230000.01907349 2013 3200000.04768372 2014 2710000.03814697 2015 2240000.00953674 2016 1950000.04768372 2017 2130000.1144409203 2018 1830000.04291534 2019 1820000.05245209 2020 2119999.8855590797 2021 2670000.07629395 2022 2259999.99046326