Year current US$ 1970 9999.99977648258 1971 9999.99977648258 1972 70000.0002980232 1973 9999.99977648258 1974 9999.99977648258 1975 9999.99977648258 1976 19999.9995529652 1977 59999.9986588955 1978 50000.0007450581 1979 2269999.98092651 1980 509999.99046325695 1981 800000.011920929 1982 1350000.02384186 1983 2539999.96185303 1984 2140000.10490417 1985 2890000.10490417 1986 3609999.89509583 1987 3210000.03814697 1988 6179999.82833862 1989 8500000 1990 6300000.19073486 1991 20010000.2288818 1992 4480000.01907349 1993 5730000.01907349 1994 8640000.34332275 1995 18860000.6103516 1996 11369999.8855591 1997 4530000.20980835 1998 8710000.03814697 1999 8640000.34332275 2000 6920000.07629395 2001 4849999.90463257 2002 6190000.05722046 2003 15100000.3814697 2004 17559999.4659424 2005 14939999.5803833 2006 12689999.5803833 2007 19510000.2288818 2008 18100000.3814697 2009 10119999.8855591 2010 14939999.5803833 2011 22260000.2288818 2012 21059999.4659424 2013 24090000.1525879 2014 18049999.237060502 2015 21149999.6185303 2016 24610000.6103516 2017 21329999.9237061 2018 12390000.3433228 2019 17010000.2288818 2020 20040000.915527303 2021 18559999.4659424 2022 13649999.6185303