Year current US$ 1977 40383442.09097264 1978 54417006.87284399 1979 60262145.62892921 1980 75247692.74304278 1981 100544174.61824869 1982 68923044.66894664 1983 84022625.84917995 1984 72417912.87975807 1985 35966751.8774362 1986 34245616.33543303 1987 47890973.08605677 1988 47522346.16093827 1989 40970079.71034272 1990 43590601.43734122 1991 90304072.72709785 1992 101161952.69295387 1993 109772734.82818817 1994 84744552.96416497 1995 90908781.34670402 1996 97005687.25284323 1997 90531253.06673901 1998 83947797.16436 1999 84226270.39781688 2000 87899293.26204045 2001 78136881.13551225 2002 57377720.70996708 2003 42640110.01837051 2004 74658468.30992775 2005 84758120.72558971 2006 88399640.48675029 2007 101353118.4054891 2008 152665220.2222838 2009 139203938.874721 2010 156468913.23611343 2011 130135851.78225699 2012 123857698.7582494 2013 127584609.61243035 2014 108645053.75870517 2015 114754969.43881702 2016 125396693.50147171 2017 118389046.60909356 2018 114019643.42710398 2019 149493747.42084694 2020 162946204.064102 2021 196542367.92988718 2022 205837554.2691751 2023 205896673.15875614