Year current US$ 1970 2620000.049471858 1971 1629999.954253431 1972 3910000.0001490093 1973 4210000.000894069 1974 13400000.073015692 1975 18000000.366941094 1976 22770000.094547868 1977 54530000.861734144 1978 55029999.673366606 1979 64449999.02322887 1980 101099999.25084409 1981 91499998.72036283 1982 66539999.33786697 1983 69439998.5559285 1984 75569999.53649932 1985 62610000.86367126 1986 116790000.64358109 1987 122989999.63328245 1988 130659997.3700941 1989 125859999.11464748 1990 160750002.35065815 1991 87590001.28321345 1992 170259997.27472666 1993 122879999.18684345 1994 110819999.71903859 1995 167280001.51365998 1996 177989997.92337406 1997 187280001.75766644 1998 149360000.2527237 1999 97639999.71374877 2000 98739999.43211678 2001 126689998.69376422 2002 153029998.38441622 2003 163729996.28260735 2004 328730003.52457196 2005 363580004.9714745 2006 199810002.066195 2007 297369995.27364975 2008 396499997.3326924 2009 216870004.85137096 2010 176649999.01875862 2011 159880001.92865717 2012 127029999.28593636 2013 124959999.78482726 2014 136969999.61882818 2015 217649999.27952892 2016 212000000.7711352 2017 232150000.49024817 2018 339060000.50902367 2019 175959998.43813494 2020 226159998.59571454 2021 190649999.21992427 2022 179410001.90377235