Year current US$ 1980 19999.9995529652 1981 2210000.03814697 1982 1350000.02384186 1983 1870000.00476837 1984 4380000.11444092 1985 5730000.01907349 1986 6119999.88555908 1987 8550000.19073486 1988 6190000.05722046 1989 7730000.01907349 1990 10029999.7329712 1991 2250000 1992 -370000.00476837205 1993 209999.993443489 1994 -59999.9986588955 1995 -159999.99642372102 1996 409999.99642372096 1997 2680000.0667572 1998 1039999.96185303 1999 419999.986886978 2000 -119999.997317791 2001 2089999.9141693101 2002 -709999.978542328 2003 -409999.99642372096 2004 -629999.995231628 2005 90000.0035762787 2006 170000.00178813902 2007 3369999.8855590797 2008 -79999.9982118607 2009 1389999.98569489 2010 2950000.04768372 2011 6050000.19073486 2012 2690000.05722046 2013 3269999.98092651 2014 2900000.09536743 2015 2545152.90260315 2016 14512815.475463899 2017 7989790.91644287 2018 10393899.9176025 2019 12714226.7227173 2020 2794456.95877075 2021 12982000.3509521 2022 5918310.16540527