Year constant 2015 US$ 1965 335834501.6346188 1966 379466954.18102515 1967 346411627.2378852 1968 368888713.42161363 1969 429709119.89706534 1970 487884855.8814206 1971 585727095.590546 1972 559283596.1173471 1973 487884855.8814206 1974 487884855.8814206 1975 600271610.3981773 1976 752321941.4157099 1977 1299704462.065191 1978 1622361476.42256 1979 1375070522.019227 1980 1230952645.8787177 1981 1156074426.9732656 1982 1200320630.4362338 1983 934842386.9658651 1984 1030142817.4591732 1985 1225644391.4330885 1986 1437150750.1371825 1987 1369267549.1157146 1988 1503759003.515541 1989 1359214627.0360954 1990 1397209888.0191567 1991 1268666578.394088 1992 1113889255.5256598 1993 754103039.2066977 1994 662102481.3179926 1995 858746935.9162924 1996 1257056078.7766588 1997 1257056078.7766588 1998 1350078183.8903751 1999 1233971422.425908 2000 1172272897.6959686 2001 1204502456.913125 2002 1281423541.6038926 2003 1448015545.8493454 2004 1410034459.5921535 2005 1299656486.0130935 2006 1229385543.7017844 2007 1280923662.4856122 2008 1366377840.49561 2009 1453604982.654418 2010 1613708864.8444893 2011 2033416454.8408737 2012 1974331119.6936526 2013 2376378100.9940453 2014 2207798338.913094 2015 2430186636.860778 2016 2404708485.388991 2017 2113474388.1541567 2018 2227713762.1841764 2019 2297511390.527321 2020 2335260213.0202127 2021 2668067660.5530424 2022 2809887762.2203045 2023 2973754058.9974294