Year current US$ 1960 0 1961 39999.9991059303 1962 0 1963 339999.997988343 1964 550000.015646219 1965 480000.00789761497 1966 449999.995529652 1967 670000.003650784 1968 1680000.01646578 1969 1220000.0137090702 1970 1599999.98286366 1971 899999.996647239 1972 1289999.9879300601 1973 2209999.97854233 1974 1290000.01586974 1975 1069999.9965727301 1976 4170000.12099743 1977 2840000.00916421 1978 2870000.04947186 1979 3799999.95231628 1980 6070000.10088086 1981 9089999.89181757 1982 10739999.8288602 1983 8659999.96103346 1984 8059999.98003244 1985 6690000.12427568 1986 4789999.97675419 1987 18919999.5398521 1988 12559999.7416139 1989 11780000.2545118 1990 19390000.1496077 1991 72490001.1867285 1992 31509999.6291101 1993 31420000.430196498 1994 28990000.3001094 1995 29409999.9554455 1996 28970000.0565499 1997 20000000.1676381 1998 32999999.623745702 1999 27710000.135004498 2000 26040000.135079 2001 20810000.041499697 2002 22299999.926239297 2003 35589999.5453656 2004 28569999.7134507 2005 201470004.290342 2006 59760000.9590387 2007 46169999.7168034 2008 135360002.18987498 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