Year current US$ 1980 173530145.43995315 1981 183872962.17043644 1982 183296536.7252117 1983 172390075.20734695 1984 172723097.39619932 1985 157350886.39873797 1986 146425495.26270455 1987 156242824.31118378 1988 230010127.16822958 1989 227189280.5033224 1990 206423406.0415623 1991 262639285.3853946 1992 258870940.20012978 1993 308369615.6484875 1994 351222808.33625513 1995 324730614.5218591 1996 273948941.7495383 1997 292713741.56497467 1998 194989294.27788448 1999 159565386.87785515 2000 132051309.00772677 2001 112921882.11978625 2002 81792657.98281525 2003 141834258.28916386 2004 177521101.5901145 2005 217135136.2765348 2006 263724433.46162105 2007 358768949.29430217 2008 408522703.58600897 2009 344206771.3613411 2010 547833027.73476 2011 607439166.7655815 2012 650831798.9319941 2013 690209096.3807161 2014 682707046.2466501 2015 625545741.595153 2016 632096538.6549555 2017 639628571.6821407 2018 749072147.7069175 2019 752930329.230226 2020 495896163.9941886 2021 600963648.9096092 2022 810578933.6289529