Year constant 2015 US$ 1960 1047.7682900495406 1961 1070.64520006336 1962 1085.8670087474195 1963 1114.9844810305187 1964 1177.890898654153 1965 1219.6849000380173 1966 1241.9931932879863 1967 1280.4902979011927 1968 1339.4704842200915 1969 1394.7085094089452 1970 1473.7949005013738 1971 1522.6041618733348 1972 1592.9151128427918 1973 1666.8663881157697 1974 1739.4533140514836 1975 1740.0150059622808 1976 1822.4440526386115 1977 1852.4212745448108 1978 1836.1511254710526 1979 1868.0134266170646 1980 1884.3938087809995 1981 1903.0807131623883 1982 1854.2140928433848 1983 1811.7292853690667 1984 1804.6386622102127 1985 1778.127461969022 1986 1778.822280059277 1987 1782.4854824473762 1988 1802.7808792775852 1989 1801.9887017533865 1990 1854.6355851554927 1991 1899.4354355136807 1992 1933.6912508026637 1993 1958.6344482399813 1994 1985.702862670167 1995 1994.5873860047711 1996 2066.698700596161 1997 2123.2039980563077 1998 2133.8205843487826 1999 2137.820788545468 2000 2191.1694648936627 2001 2173.2054697050894 2002 2173.0240812866955 2003 2250.0050096012624 2004 2348.40742088284 2005 2445.3588241790794 2006 2551.190515654329 2007 2653.392091935045 2008 2702.729252577117 2009 2678.8901679907262 2010 2809.8393061071656 2011 2903.574681545378 2012 2981.412023720219 2013 3058.8130941054765 2014 3140.7354823119763 2015 3234.2259436250224 2016 3331.742758088396 2017 3440.6463665264027 2018 3527.0485550572694 2019 3566.648876978001 2020 3370.5952970095177 2021 3588.257975336259 2022 3748.8757656534763 2023 3856.9597526587168