Year current US$ 1960 71100000 1961 74400000 1962 98000000 1963 110700000 1964 137100000 1965 160200000 1966 181800000 1967 203600000 1968 183300000 1969 176888000 1970 198885000 1971 210801000 1972 218450000 1973 326863000 1974 560417000 1975 516775999.99999994 1976 532129000 1977 762013000 1978 593239000 1979 360000000 1980 881882000 1981 994222000 1982 774881000 1983 806252000 1984 825883000 1985 1066509000 1986 774499000 1987 781599681.3000001 1988 805354000 1989 605789000 1990 666727000 1991 751320000 1992 893289000 1993 753400000 1994 866500000 1995 975200000 1996 1153700000 1997 1449800000 1998 1491700000 1999 1861700000 2000 1778871913 2001 1736017543 2002 1661109443 2003 1878528505 2004 2206118345 2005 2622941137 2006 3007482363 2007 3660629008 2008 4336384527 2009 3472721540 2010 4185076040 2011 5132334573 2012 5853544964 2013 5613900078 2014 5378961830 2015 5511312670 2016 5887214828 2017 6081899419 2018 5220010753 2019 4680612438 2020 4768394149