Year current US$ 1970 79999.9982118606 1971 99999.99962747098 1972 89999.99798834327 1973 99999.99776482586 1974 150000.00037252888 1975 119999.99731779091 1976 129999.99895691872 1977 240000.0002235173 1978 209999.99716877937 1979 299999.99701976794 1980 160000.00201165667 1981 79999.99821186058 1982 109999.99754130837 1983 139999.9987334014 1984 89999.99985098839 1985 120000.0029057264 1986 89999.99798834328 1987 89999.9998509885 1988 109999.99754130837 1989 119999.9991804361 1990 1659999.9554455276 1991 6440000.047907237 1992 18350000.098347656 1993 12530000.20608306 1994 29920000.113546833 1995 45800000.045448564 1996 44119999.771937676 1997 33649999.61294234 1998 40619999.57635999 1999 37919999.31633474 2000 35509999.800473444 2001 36319999.47875742 2002 37959999.945014745 2003 37629999.68789516 2004 37649999.82714651 2005 39509998.78346917 2006 34899999.49932096 2007 31010000.795125995 2008 30730001.091957048 2009 34930000.85651873 2010 40820001.01357697 2011 43480000.79393385 2012 40399999.5291233 2013 50029998.77929691 2014 69990001.08242041 2015 68019998.37160115 2016 70920001.47700307 2017 64339999.46713449 2018 64470000.08821483 2019 67589999.61614612 2020 71010001.450777 2021 89620001.97172157 2022 267260005.08666092