Year current US$ 1974 9999.99977648258 1975 9999.99977648258 1976 49999.998882412896 1977 9999.99977648258 1978 89999.9979883432 1979 209999.995306134 1980 129999.998956919 1981 89999.9979883432 1982 79999.9982118607 1983 99999.999627471 1984 59999.9986588955 1985 19999.9995529652 1986 199999.993667006 1987 190000.001341105 1988 49999.998882412896 1989 59999.9986588955 1990 209999.995306134 1991 229999.996721745 1992 309999.994933605 1993 399999.99478459405 1994 960000.010207295 1995 2390000.00618398 1996 2299999.99143183 1997 3349999.98286366 1998 3079999.9460578 1999 5350000.00521541 2000 5079999.93488193 2001 6800000.01564622 2002 8589999.91044402 2003 10960000.0120699 2004 13839999.9924004 2005 13840000.1674891 2006 19119999.8129159 2007 25970000.376924902 2008 25310000.3246218 2009 23179999.9736249 2010 20210000.1685321 2011 16869999.9190867 2012 13330000.001937201 2013 11589999.8918176 2014 12090000.0110269 2015 9410000.09514391 2016 11320000.1716614 2017 9840000.07249415 2018 9890000.04716218 2019 11329999.864101399 2020 11000000.0055879 2021 15010000.0556558 2022 12660000.007599587