Year current US$ 1970 79999.9982118607 1971 100000.00149011599 1972 219999.998807907 1973 119999.997317791 1974 150000.005960464 1975 340000.00357627904 1976 300000.011920929 1977 639999.985694885 1978 709999.978542328 1979 1809999.9427795399 1980 600000.023841858 1981 769999.980926514 1982 550000.011920929 1983 769999.980926514 1984 1710000.03814697 1985 860000.014305115 1986 1159999.9666214 1987 1179999.94754791 1988 1379999.99523163 1989 2109999.89509583 1990 2940000.05722046 1991 2690000.05722046 1992 2059999.94277954 1993 1720000.02861023 1994 1549999.95231628 1995 2390000.10490417 1996 1440000.0572204601 1997 1860000.01430511 1998 1850000.02384186 1999 970000.028610229 2000 1340000.0333786 2001 2000000 2002 1970000.02861023 2003 1799999.95231628 2004 2690000.05722046 2005 2740000.00953674 2006 2700000.04768372 2007 6119999.88555908 2008 5590000.15258789 2009 4480000.01907349 2010 5659999.84741211 2011 4119999.88555908 2012 4808057.78503418 2013 9411293.02978516 2014 22021909.7137451 2015 11418835.6399536 2016 7036331.17675781 2017 8774999.61853027 2018 8212667.465209959 2019 7960000.03814697 2020 8451999.66430664 2021 8609999.65667725 2022 6623000.1449585