Year current US$ 1960 0 1961 0 1962 0 1963 0 1964 0 1965 119999.997317791 1966 169999.998062849 1967 460000.00461936 1968 160000.000149012 1969 2969999.9466538397 1970 4719999.911263591 1971 359999.997541308 1972 599999.994039536 1973 1679999.96431172 1974 819999.977946281 1975 2459999.9692291 1976 2920000.0297278203 1977 4610000.06645918 1978 4389999.83854592 1979 2889999.9242276 1980 4139999.9037384996 1981 3369999.97869134 1982 2919999.93473291 1983 4960000.05863607 1984 2660000.02995133 1985 5639999.98755753 1986 3990000.00953674 1987 13979999.7955561 1988 14789999.6507913 1989 11379999.9058247 1990 22779999.8223782 1991 28629999.6525049 1992 42830000.5439669 1993 46480000.155046605 1994 44360000.2396852 1995 50890000.250190504 1996 77400001.4141202 1997 63840000.3481656 1998 78500000.0055879 1999 73690000.9531528 2000 74969999.2351234 2001 74269999.2246926 2002 86379998.7733364 2003 78890001.5503168 2004 78330000.218004 2005 93959997.66327439 2006 90669999.5584786 2007 100979998.50287999 2008 103200002.480298 2009 94899999.1472811 2010 126100000.288337 2011 92570000.2573431 2012 60670000.5531311 2013 -710001.308470964 2014 35880000.481382 2015 31589999.441057403 2016 31220000.386238102 2017 48410000.9091198 2018 30839999.1095066 2019 4750000.0521540595 2020 4600000.03688037 2021 4890000.02108514 2022 9119999.913498756