Year current US$ 1960 35979280.4143917 1961 35979280.4143917 1962 39199216.0156797 1963 41719165.6166877 1964 37939241.2151757 1965 44659106.8178636 1966 55998880.0223995 1967 64899199.1162662 1968 58442337.6935077 1969 62402496.099844 1970 70442817.7127085 1971 85690215.4290528 1972 94560878.243513 1973 122787745.636519 1974 153708987.161198 1975 178629312.34082 1976 204052573.932092 1977 241887252.187396 1978 220101931.966339 1979 245440078.344963 1980 307474448.959488 1981 317658885.289847 1982 265466603.505448 1983 253830439.223698 1984 342719683.033819 1985 273689721.365831 1986 271183708.559454 1987 301127359.985512 1988 321828758.833405 1989 298641058.162711 1990 447286489.061527 1991 512800021.403346 1992 417599977.79813 1993 334000000 1994 350201455.97729 1995 424386751.899082 1996 520663213.247542 1997 568774017.586748 1998 573669301.348129 1999 497653765.982204 2000 446401353.289511 2001 480470201.79425 2002 554447969.766559 2003 647237088.539395 2004 655182957.623617 2005 662493075.447225 2006 705004282.663118 2007 1033381694.9884 2008 1205568892.42806 2009 1239999506.2582 2010 1585900946.72818 2011 1663004622.54537 2012 1579668895.972 2013 1968020399.15227 2014 2038207955.92708 2015 1858207010.407 2016 1791105911.51872 2017 1838219294.85226