Year constant 2010 US$ 1970 15464.0180141757 1971 15882.5056596269 1972 16522.101380943 1973 17438.9568925452 1974 17716.2971012476 1975 17454.1970610269 1976 18178.5597006494 1977 18580.0757078865 1978 19107.6440702116 1979 19768.2199292215 1980 19960.360639473 1981 19887.4342263445 1982 19991.8759435885 1983 20316.3555442055 1984 20776.7065556531 1985 21282.4384820114 1986 21815.7517515145 1987 22423.760978446 1988 23356.0493770522 1989 24132.2624132307 1990 24714.6189950026 1991 25038.1200438333 1992 25219.0728409178 1993 25094.5865159593 1994 25669.7524105621 1995 26291.6384592974 1996 26798.3488039801 1997 27560.8799983716 1998 28338.1130414539 1999 29168.3745068705 2000 30259.8166214757 2001 30848.5867876861 2002 31138.2519422538 2003 31469.2804468376 2004 32229.5024008561 2005 32812.8316294433 2006 33820.768349915 2007 34609.8229047584 2008 34559.1457034522 2009 33091.9641315746 2010 33798.2942542786 2011 34428.6888643394 2012 34188.9392566583 2013 34138.6582782658 2014 34578.9286492652 2015 35137.116954003 2016 35768.1690515202 2017 36710.1422447369