Year US Dollars adjusted for inflation) 1960 117996015.49628 1961 112235123.92441 1962 121672505.53501 1963 134004747.60534 1964 141936818.87903 1965 140431478.00256 1966 159946548.97431 1967 160753862.3259 1968 172895980.34591 1969 172895980.34591 1970 188235086.7238 1971 218073690.53998 1972 231830450.53294 1973 252820811.45104 1974 256114686.57297 1975 264252487.61375 1976 307266576.64788 1977 288246078.63138 1978 349215002.89605 1979 404371209.9502 1980 387191407.75301 1981 355382941.03523 1982 351410919.64401 1983 345404444.17515 1984 360986095.76349 1985 401148461.47082 1986 400439225.92626 1987 418074999.0709 1988 440637445.08071 1989 489983652.94545 1990 524260678.36111 1991 538732506.95519 1992 577313656.24143 1993 613087761.58173 1994 608191048.028 1995 603169565.08907 1996 632830581.34559 1997 708526965.6176 1998 768067310.19775 1999 782445580.84016 2000 794294457.97491 2001 776254738.02863 2002 785669398.20425 2003 739416038.78708 2004 718339327.2542 2005 783031253.31226 2006 856684174.3355 2007 945962968.23451 2008 925654158.74699 2009 915423405.09538 2010 969936525.29873 2011 1046438130.96225 2012 1059631924.49388 2013 1123401381.86617 2014 1174008203.64439 2015 1231973525.71507 2016 1287449682.77196 2017 1341522569.44838