Year current US$ 1960 311000000 1961 332200000 1963 386100000 1964 430800000 1965 489800000 1966 532600000 1967 452770000 1968 507760000 1969 502810000 1970 534710000.00000006 1971 645870000 1972 859810000 1973 1252660000 1981 3706727962 1982 3377274880 1983 3593439250 1984 2950134109 1985 2065690880 1986 2046242952 1987 1820689063 1988 2370993101 1989 2245548349 1990 2515287988 1991 3751775004 1992 4119586118.9999995 1993 4587003311 1994 5539374812 1995 6769173014 1996 7559498471 1997 7456718000 1998 7059834000 1999 6206050000 2000 6200559959 2001 7261602278 2002 6394884728 2003 7080349651 2004 9268416047 2005 9243208321 2006 9295005571 2007 11618027544 2008 15950933831 2009 16202412982 2010 17933149529 2011 20865923689 2012 22695405320 2013 22799498726 2014 22072986761 2015 18948098734 2016 19361013783 2017 19895844507 2018 20377711844 2019 19619874934 2020 11207444797