Year constant 2010 US$ 1961 3380.64399384354 1962 3703.51376911224 1963 4142.30686671327 1964 4392.23220417554 1965 4904.77400524896 1966 4948.78633452332 1967 4902.67494918112 1968 4962.7274166402 1969 5438.1597955073 1970 5796.17549907527 1971 6086.20882723098 1972 6604.23098752535 1973 7208.91889563566 1974 7153.3367592868 1975 7053.52433059524 1976 8091.39830018634 1977 8910.60049155802 1978 9473.48481953444 1979 10006.1923577119 1980 10727.3601816901 1981 11448.7747338461 1982 11604.9139967645 1983 12113.0955373903 1984 13190.9246715327 1985 13148.7766893802 1986 14421.7289341061 1987 16190.2102372009 1988 17421.2153691259 1989 17634.2578181948 1990 18251.0178139522 1991 19132.381481779 1992 20155.3434649352 1993 21040.6493399445 1994 21813.8414527935 1995 21893.7987672663 1996 21835.1289292016 1997 22758.3931190215 1998 21241.5347203784 1999 21567.0022680912 2000 23015.9818793122 2001 22975.1203995447 2002 23252.5254695618 2003 24010.5392599268 2004 25896.7135547539 2005 27688.7798785343 2006 29446.2837822567 2007 31081.5861097557 2008 31553.6389891557 2009 30711.4839460763 2010 32549.998231121 2011 33888.4926701567 2012 34086.30777744 2013 35002.5129718853 2014 35717.6668450891 2015 36260.5696163202 2016 36820.9774243543 2017 37949.305818913 2018 38784.7555687124