Year constant 2015 US$ 1960 1158.6255850237392 1961 1173.3708227400546 1962 1207.3346337004998 1963 1250.9440881103847 1964 1292.1923477571995 1965 1329.0120221690636 1966 1374.3513132912797 1967 1368.5243019820368 1968 1372.3777611310647 1969 1383.7841370408273 1970 1409.7055788573643 1971 1418.9072616403244 1972 1427.24191812292 1973 1425.3519623059033 1974 1375.5362671991772 1975 1341.1872500914596 1976 1487.9398282559077 1977 1489.4852962455057 1978 1437.6044902876554 1979 1324.3846737203214 1980 1435.6637252928963 1981 1389.5867997349162 1982 1387.2526445667468 1983 1463.2608333305122 1984 1514.811752423171 1985 1546.3469450974 1986 1565.8810935563542 1987 1584.8690259105783 1988 1617.0922408273477 1989 1646.240146475881 1990 1676.354172651467 1991 1702.007132615874 1992 1717.5431734819733 1993 1729.0038522298594 1994 1761.9102106152566 1995 1781.0907137253275 1996 1812.6397829114444 1997 1848.6022631251421 1998 1881.1153967187197 1999 1924.7017689492063 2000 1979.5151591104245 2001 2016.4393284114446 2002 2014.2202413025936 2003 2018.4766577451596 2004 2019.375755907032 2005 2075.31523213527 2006 2166.2962347807716 2007 2271.7937341808474 2008 2355.4012759525453 2009 2440.637916582708 2010 2490.1098908146027 2011 2570.497429077747 2012 2675.8929731982876 2013 2701.877543895955 2014 2755.3042711217954 2015 2778.196914687234 2016 2847.365209823314 2017 2908.2079157398425 2018 2886.055988263381 2019 2878.7381796603345 2020 3037.600388350724 2021 3172.9193044865115 2022 3210.129284426411 2023 3281.4037876755465