Year current US$ 1960 700000.032782555 1961 0 1962 4830000.22917986 1963 169999.994337559 1964 2880000.0697374297 1965 169999.95708465602 1966 11880000.1144409 1967 4000000.1192092905 1968 1580000.04291534 1969 1080000.04291534 1970 170000.00178813902 1971 -90000.0035762787 1972 560000.002384186 1973 -230000.004172325 1974 29999.999329447703 1975 -60000.0023841858 1976 1450000.00298023 1977 3920000.07629395 1978 5339999.91416931 1979 10810000.181198101 1980 29109999.8950958 1981 16929999.8283386 1982 6169999.83787537 1983 7920000.07629395 1984 6019999.98092651 1985 7140000.22411346 1986 8960000.03814697 1987 11200000.5245209 1988 24030000.2768636 1989 41449999.6602535 1990 28650000.2145767 1991 75029998.3471632 1992 183139997.944236 1993 155789993.397892 1994 157860002.214089 1995 156549995.77440298 1996 137919996.615499 1997 80379998.581484 1998 86959997.9538471 1999 119499999.659136 2000 80180000.8788705 2001 74820000.36910181 2002 144230000.97461 2003 113499999.217689 2004 130679999.995977 2005 117000002.73622599 2006 131619998.164475 2007 176710000.48331898 2008 148969998.434186 2009 130989998.87704802 2010 130379998.184741 2011 124549998.868257 2012 130079998.988658 2013 153009998.42956698 2014 149209998.47725 2015 111760001.074523 2016 125220001.414418 2017 146340001.04665798 2018 133930000.992492 2019 121889997.810125 2020 134070000.723004 2021 163519999.712706 2022 227319997.41494662