Year current US$ 1970 144679999.34218803 1971 149019999.92504695 1972 143870004.46207827 1973 130979999.97064471 1974 194819997.80051434 1975 202590001.16586706 1976 164549999.2519617 1977 104599998.64920977 1978 135590002.1828711 1979 92279999.81306493 1980 133639999.56473704 1981 171059999.68200922 1982 195709998.12148505 1983 176179999.80226168 1984 241479999.8719246 1985 209279999.5690584 1986 257459998.8423288 1987 305330000.8364022 1988 421309996.82471156 1989 363190000.98481786 1990 435620000.36798424 1991 474120002.73168087 1992 572459995.7838652 1993 378390001.9712746 1994 355340000.44874823 1995 524509997.8391081 1996 509079995.08641624 1997 398779995.9834666 1998 380399999.81224567 1999 394920000.724494 2000 359040003.21403176 2001 363670001.6874822 2002 328059998.02053 2003 121639988.01633745 2004 446710000.3473459 2005 818399998.0576336 2006 390669997.94170266 2007 467000000.36135334 2008 572580001.4510752 2009 341729999.46028 2010 242110000.83759433 2011 274360002.21781427 2012 316799997.20118916 2013 393220000.31359506 2014 599810002.757237 2015 658129998.758435 2016 377570002.26527464 2017 426260003.0899048 2018 430650003.0439349 2019 269930000.1747905 2020 257609996.32626814 2021 458090007.61993235 2022 2618009918.505331