Year constant 2015 US$ 1960 7357579349.99145 1961 7900307907.809911 1962 8428676837.8155365 1963 8485517936.656014 1964 9212471047.789597 1965 10188564841.853241 1966 11062297166.830006 1967 12038158962.893803 1968 12829597414.496298 1969 13775523162.737246 1970 13924103942.51341 1971 14324075561.259047 1972 14158204899.97697 1973 14572781096.626427 1974 13689839991.032778 1975 13223774317.800913 1976 13861751515.791641 1977 14630825152.898396 1978 15661941572.973557 1979 17159631077.336706 1980 17607870519.46659 1981 17284993122.758083 1982 17089242134.225916 1983 17142301808.375572 1984 18179387190.486362 1985 18837057507.76998 1986 19447977328.901447 1987 19837626454.124588 1988 20603022873.07181 1989 21559227850.924572 1990 21371096447.792572 1991 21160031395.83367 1992 21045809370.459503 1993 21236688956.5 1994 21940108140.18879 1995 22563065940.50548 1996 23478416120.97203 1997 24274699187.896442 1998 25143084645.93449 1999 26134096061.536407 2000 27090332442.0217 2001 27442399884.87377 2002 28033722049.91352 2003 28552168397.37252 2004 29358312950.821632 2005 30321447575.31416 2006 31672647931.655388 2007 32717896388.558006 2008 32895286081.0716 2009 32040067806.735016 2010 32357745230.038563 2011 32913277781.788918 2012 33679509557.43944 2013 33704374341.1243 2014 34298860339.6583 2015 34538256117.68588 2016 34701264113.771614 2017 35375599998.10995 2018 36398366424.96822 2019 36771323459.8197 2020 33390765519.043797 2021 36878107871.934685 2022 45167649111.170105 2023 50911102458.13493