Year current US$ 1960 190000.005066395 1961 339999.990537763 1962 1119999.98427927 1963 4259999.94017184 1964 7930000.038817519 1965 12760000.2009422 1967 15019999.960437398 1968 24989999.8288602 1969 34849999.9847263 1970 33039999.6414781 1971 44179999.5433539 1972 75220000.769943 1973 104130000.341684 1974 159900001.73822 1975 290230004.26963 1976 280840003.13282 1977 338239998.735487 1978 319819998.27176297 1979 429139998.607337 1980 442350000.64969105 1981 366879997.715354 1982 363269994.756207 1983 328049999.661744 1984 321180002.471432 1985 305649996.487424 1986 453250003.220513 1987 414809998.124838 1988 473419998.43530405 1989 615000003.108755 1990 571720004.7764931 1991 657739999.292418 1992 655789997.328073 1993 496639999.492094 1994 458370003.735647 1995 422079999.618232 1996 509779998.587444 1997 386139996.821061 1998 322140001.118183 1999 317110000.530258 2000 393740001.864731 2001 338999998.137355 2002 315159998.50817 2003 394370000.105351 2004 482059995.33832103 2005 535109996.583313 2006 581839998.0403479 2007 626539995.84727 2008 611809996.202588 2009 544910002.160817 2010 518120001.636446 2011 568410003.600642 2012 540049991.443753 2013 597140002.505854 2014 514529992.550612 2015 463659996.854141 2016 456099993.72251296 2017 570949994.6627771 2018 570959996.923804 2019 486560000.944883 2020 496400003.734976 2021 581529996.05611 2022 616450000.209734