Year Percent Change at Annual Rate 1960-01-01 2.8604167362791200 1961-01-01 3.1949396379612300 1962-01-01 2.8373367949185500 1963-01-01 2.6089232743809000 1964-01-01 2.4079632860718000 1965-01-01 2.2317579968830100 1966-01-01 2.0782539182528400 1967-01-01 1.9455380416704000 1968-01-01 1.8322860030699000 1969-01-01 1.7372976861108600 1970-01-01 1.6595789230044500 1971-01-01 1.5890031253897500 1972-01-01 1.5163926692461500 1973-01-01 1.4871505014095600 1974-01-01 1.5174192000467900 1975-01-01 1.5771704098108800 1976-01-01 1.6132619592803900 1977-01-01 1.6272708664890800 1978-01-01 1.3068430906220600 1979-01-01 1.7404191163689300 1980-01-01 1.6860123160757400 1981-01-01 1.4819683080138000 1982-01-01 1.2224281879170700 1983-01-01 0.9196679823709940 1984-01-01 1.0457354601341000 1985-01-01 0.8173213951388900 1986-01-01 0.7645159859719250 1987-01-01 0.7480991002498260 1988-01-01 0.6884005176576010 1989-01-01 0.7659148284138020 1990-01-01 0.7123134711321990 1991-01-01 1.0794636253024900 1992-01-01 1.3157431144968500 1993-01-01 1.1855406144071200 1994-01-01 1.4000644941943800 1995-01-01 0.8599334610616840 1996-01-01 1.0227645411617400 1997-01-01 1.2520976099419300 1998-01-01 1.0514216247320800 1999-01-01 1.2712485515712200 2000-01-01 0.9826761660642970 2001-01-01 0.7900475810681530 2002-01-01 0.6942401352109740 2003-01-01 0.7236617655785730 2004-01-01 0.6271039823855280 2005-01-01 0.5920996599299560 2006-01-01 0.4664035259550870 2007-01-01 0.4555264007027380 2008-01-01 0.3616308474016390 2009-01-01 0.2655376728327650 2010-01-01 0.2378866928901850 2011-01-01 0.1601404207657240 2012-01-01 0.2773210255146090 2013-01-01 0.2203986917415040 2014-01-01 0.1810614694515350 2015-01-01 0.1324330826053290 2016-01-01 0.0687231379365168 2017-01-01 0.0901868114668421