Year constant 2015 US$ 1960 1048.8051680308326 1961 1018.9852866400671 1962 1198.5277736239848 1963 1269.1384003039275 1964 1326.8816001781227 1965 1095.5108225463196 1966 1267.4661495818202 1967 1280.7769120081657 1968 1259.625180322222 1969 1312.6842091044693 1970 1502.0129499519046 1971 1529.8953331354087 1972 1555.7868768853457 1973 1675.4901686002397 1974 1745.955743741593 1975 1812.8064463846927 1976 1863.3718413375236 1977 1922.1528112131841 1978 1873.8320884536163 1979 1787.6216650180413 1980 2098.0937221906797 1981 2052.581788595275 1982 2094.4453117073053 1983 2105.140032340902 1984 2108.890033210888 1985 2028.6374702011717 1986 2070.8687742394536 1987 2272.9192135226367 1988 2395.522646499116 1989 2467.908697647428 1990 2196.75568979519 1991 2214.0628968566825 1992 2454.4501655379736 1993 2507.4977388777334 1994 2459.897665336764 1995 2561.4695705992754 1996 2606.139564200699 1997 2766.2619596734867 1998 2806.2719222341825 1999 2925.351253932988 2000 2977.4048224993126 2001 2978.4512547376726 2002 3045.5739886982897 2003 2924.51726494331 2004 2963.08513806744 2005 3292.168488045469 2006 3544.676129232367 2007 3703.2225339978577 2008 3855.2642433913124 2009 4018.157574448748 2010 4238.2283579179975 2011 4364.64152710418 2012 4391.17586890256 2013 4433.033744984023 2014 4611.507380780708 2015 4849.97027599451 2016 5083.21708432076 2017 5244.730749529491 2018 5481.70736914352 2019 5673.9275122415365 2020 5423.747423745349 2021 5720.174599209389 2022 5953.254708150299 2023 6047.216410122375