Year current US$ 1960 209999.995306134 1961 879999.993368983 1962 2019999.96602535 1963 1649999.96498227 1964 6199999.93778765 1965 9910000.0038743 1966 15930000.1543015 1967 17609999.8392165 1968 20409999.8716265 1969 21870000.250637498 1970 36340000.0538677 1971 68919999.9105185 1972 92280000.2396107 1973 92750000.3371388 1974 144500001.166016 1975 194550000.93392998 1976 167729999.940842 1977 137429999.78177202 1978 190520000.09454802 1979 191760001.16393 1980 198250001.519918 1981 232770000.34972998 1982 274149998.48976696 1983 247640000.823885 1984 354129999.173805 1985 351789997.65031 1986 301680000.398308 1987 368819999.69855005 1988 394049999.380484 1989 448360002.61455804 1990 434360001.77077895 1991 457730004.616082 1992 472350003.182888 1993 346469995.513558 1994 294489999.66681 1995 308949998.93754697 1996 293919999.94218296 1997 257669999.72239104 1998 315300003.146753 1999 240739999.55877697 2000 199739998.754114 2001 201440000.131726 2002 374060004.023835 2003 495630003.230646 2004 614449999.198318 2005 977140002.667904 2006 1043010000.3033899 2007 1166489988.53564 2008 1302760000.69454 2009 1309110007.80761 2010 1514900001.27628 2011 1514929997.13123 2012 1829360007.2767599 2013 1483919989.7442 2014 1340340009.9016702 2015 1066799996.23075 2016 955070006.359369 2017 1125680009.51037 2018 1312850007.13915 2019 1066259994.14176 2020 1329400006.92755 2021 2107339994.4603403 2022 1142039993.494749