Year current US$ 1974 9999.99977648258 1975 280000.001192093 1976 1620000.00476837 1977 1220000.02861023 1978 1409999.9666214 1979 1190000.0572204601 1980 1720000.02861023 1981 2599999.90463257 1982 3069999.9332428 1983 2619999.8855590797 1984 2549999.95231628 1985 4050000.1907348596 1986 4320000.17166138 1987 4239999.771118159 1988 5380000.11444092 1989 5989999.771118159 1990 4050000.1907348596 1991 4429999.82833862 1992 4940000.05722046 1993 5079999.92370605 1994 3809999.94277954 1995 2660000.08583069 1996 1950000.04768372 1997 2640000.10490417 1998 1669999.95708466 1999 1970000.02861023 2000 879999.995231628 2001 970000.028610229 2002 2309999.94277954 2003 2430000.0667572 2004 2559999.94277954 2005 2660000.08583069 2006 2910000.08583069 2007 3799999.95231628 2008 3230000.01907349 2009 3839999.91416931 2010 3880000.1144409203 2011 3849999.90463257 2012 3304823.39859009 2013 3213566.06483459 2014 3051340.34156799 2015 2824469.3279266404 2016 2564468.1453704797 2017 3616506.09970093 2018 3858081.81762695 2019 3713311.6722106896 2020 3709823.13156128 2021 5423120.97549438 2022 4502314.56756592