Year current US$ 1960 0 1961 69999.9984353781 1962 0 1963 339999.997988343 1964 550000.015646219 1965 480000.00789761497 1966 449999.995529652 1967 670000.003650784 1968 1900000.01527369 1969 1440000.01251698 1970 1689999.98643994 1971 1200000.00856817 1972 1789999.9879300601 1973 2539999.97116625 1974 2080000.03360212 1975 1669999.9962002 1976 4650000.1084059505 1977 3390000.01735985 1978 3150000.05438924 1979 4279999.9602139 1980 6560000.09924173 1981 9379999.8909235 1982 11089999.8191744 1983 9069999.953731889 1984 8529999.98629093 1985 7160000.12308359 1986 5439999.96781349 1987 19529999.5429814 1988 13819999.787956499 1989 14560000.292956801 1990 21010000.1469254 1991 75420001.1789799 1992 33239999.6183813 1993 33890000.4867464 1994 30230000.3096461 1995 30399999.9649823 1996 29010000.0556558 1997 20050000.1683831 1998 33379999.626427904 1999 28000000.130385198 2000 27070000.1437217 2001 21260000.044480003 2002 23209999.8928607 2003 36459999.5203316 2004 29499999.688938297 2005 201470004.290342 2006 59760000.9590387 2007 46169999.7168034 2008 135340002.19032198 2009 57399998.7542629 2010 58129999.2054701 2011 111330000.579357 2012 128899999.67813501 2013 176109999.86529398 2014 194609997.74374098 2015 221769999.936223 2016 174719998.86631998 2017 187780001.342297 2018 178050001.174212 2019 197659997.582436 2020 215730000.972748 2021 226629999.33958098 2022 211729997.4150955