Year constant 2015 US$ 1965 1865371785.2188227 1966 1839554070.3537135 1967 1920317491.715708 1968 1891189613.765773 1969 1858884279.3561146 1970 1803938572.8592293 1971 1885628780.7439086 1972 2400132062.3833504 1973 1993666506.9594905 1974 2460373757.0101247 1975 2434026238.7302012 1976 2686114228.6046395 1977 2740530302.209473 1978 3036574698.116646 1979 3226964801.211299 1980 3257284140.1041102 1981 3747028688.5598993 1982 3721343339.2743683 1983 3640050171.389458 1984 3956484269.3958416 1985 3458398641.9300184 1986 2811761013.0957937 1987 2762508505.2003508 1988 2424625893.8850837 1989 3193203104.1258683 1990 3876117944.8745384 1991 3851226864.4635344 1992 4613051655.128789 1993 4507529518.986346 1994 3931195922.5389967 1995 4128867845.6906867 1996 4580613841.610646 1997 4820388777.856402 1998 5033522960.80204 1999 5233356980.034904 2000 5369257860.96931 2001 6033455795.85079 2002 5855111671.9523325 2003 5767825581.557642 2004 5839634526.464342 2005 5959135246.923356 2006 6444818178.295323 2007 6890478627.207593 2008 7164953543.660215 2009 7561475347.950666 2010 12601861531.317274 2011 11018472295.22215 2012 11457906139.882162 2013 10020315139.950336 2014 10418456477.165499 2015 9952004078.25145 2016 9696092488.901884 2017 10255325583.556213 2018 11234620729.254452 2019 9879614744.212328 2020 6478845396.501263 2021 7880751513.456056 2022 7951611495.367589 2023 7079370998.600443