Year constant 2015 US$ 1960 655581.3621356419 1961 863450.2159619767 1962 911412.4169469324 1963 911412.4169469324 1964 911412.4169469324 1965 1103293.8704449488 1966 815477.1317909565 1967 1087306.47011663 1968 991371.1849606539 1969 975372.9014462711 1970 639593.961807323 1971 959385.5011179525 1972 1279187.923614646 1973 1279187.923614646 1974 1758875.2325805903 1975 2558364.964043228 1976 3038063.1561952364 1977 3517750.465161181 1978 4956834.158431142 1979 6395917.851701103 1980 11709687.86348001 1981 12732587.638468668 1982 7532786.351154128 1983 8204355.113618089 1984 9190926.813524429 1985 15090353.716976454 1986 17780633.779303923 1987 37252188.17740354 1988 51758920.15850089 1989 54197363.29530264 1990 57743094.43183489 1991 80234722.07956561 1992 101653039.03445828 1993 118696141.0605631 1994 141721425.73695216 1995 163995193.76604962 1996 175767677.6131201 1997 210429526.0258238 1998 278382093.7717461 1999 283978521.8919846 2000 303326160.3335572 2001 332427560.4391507 2002 407419634.12786704 2003 435721544.5019979 2004 454109797.44245255 2005 510610946.2133845 2006 547752604.75312 2007 1033746872.4078767 2008 939480730.6153818 2009 862094954.5677737 2010 812984468.6211834 2011 822132885.709941 2012 874827803.4027078 2013 876005875.6445999 2014 892906962.975753 2015 871761748.6919554 2016 898895588.472187 2017 858793910.1035228 2018 792960363.9834179 2019 835135626.6760814 2020 797916360.136522 2021 770050136.3500996 2022 729179147.3249286