Year current US$ 1969 310000.002384186 1970 319999.99284744303 1971 269999.999552965 1972 330000.013113022 1973 789999.99165535 1974 3570000.0375509304 1975 4800000.11064112 1976 4530000.12040138 1977 4809999.93160367 1978 5010000.12457371 1979 6600000.08717179 1980 11759999.921545401 1981 16710000.364109898 1982 26869999.1293252 1983 30169999.781996 1984 41370000.198483504 1985 36419999.9757111 1986 35270000.513643 1987 37120000.0047684 1988 36069999.9332428 1989 34449999.690055795 1990 37060000.3600121 1991 38569999.4191527 1992 43749999.3015081 1993 33350000.6198883 1994 34980000.445619196 1995 27229999.5254725 1996 21989999.8102337 1997 24829999.703913897 1998 22719999.6970594 1999 22840000.6759912 2000 14179999.6048212 2001 14899999.588728001 2002 15660000.026225999 2003 14679999.7985363 2004 5909999.99642372 2005 5580000.02801418 2006 4109999.9621510496 2007 5840000.0371038895 2008 14689999.9827147 2009 10400000.102818 2010 7830000.05781651 2011 14920000.076293899 2012 8555200.00786055 2013 3535570.9992873 2014 3751599.90787506 2015 20505592.2344327 2016 36327082.157135 2017 36328409.5525742 2018 29930833.816528298 2019 19782528.782729097 2020 19541542.627537202 2021 44021030.0087929 2022 16354100.152850142