Year Percent Change at Annual Rate 1960-01-01 1.1195717419047400 1961-01-01 0.9290155346092100 1962-01-01 0.9200322865297140 1963-01-01 0.8770432516592060 1964-01-01 0.9936964262331080 1965-01-01 1.0858447420937500 1966-01-01 1.0240278523379500 1967-01-01 1.2306658181560400 1968-01-01 1.3076557858118600 1969-01-01 0.9854305595782590 1970-01-01 1.1106314487676600 1971-01-01 1.2050848329395600 1972-01-01 1.1041365897104600 1973-01-01 1.1049376041377000 1974-01-01 1.0926076103806900 1975-01-01 1.0812936030828300 1976-01-01 1.0568517247230600 1977-01-01 1.0291318085915300 1978-01-01 0.9628765503884500 1979-01-01 0.8815845013458400 1980-01-01 0.8029635619108360 1981-01-01 0.7108780105125370 1982-01-01 0.6003901372403960 1983-01-01 0.4871832105736590 1984-01-01 0.4152557023735650 1985-01-01 0.3623655649164910 1986-01-01 0.2987823668143990 1987-01-01 0.2593290632018250 1988-01-01 0.2120649992691840 1989-01-01 0.1567761976184630 1990-01-01 0.1018288426070430 1991-01-01 0.2545274245510430 1992-01-01 0.4897579054399900 1993-01-01 0.5185435208664210 1994-01-01 0.4761005551691680 1995-01-01 0.4413657495378720 1996-01-01 0.4165157982128040 1997-01-01 0.4191195172021200 1998-01-01 0.4138474811139650 1999-01-01 0.4053230255228480 2000-01-01 0.4471370145358350 2001-01-01 0.6940680843344640 2002-01-01 1.4125954047578200 2003-01-01 1.8084544681834500 2004-01-01 1.7254663034483000 2005-01-01 1.6893490471203100 2006-01-01 1.6903525562611400 2007-01-01 1.8510813084517900 2008-01-01 1.5953304990637200 2009-01-01 0.8857359805730700 2010-01-01 0.4604083050513040 2011-01-01 0.3553383964714280 2012-01-01 0.0649259625617232 2013-01-01 -0.3276690395796870 2014-01-01 -0.2989510590880360 2015-01-01 -0.0775888615900470 2016-01-01 0.0844301500680736 2017-01-01 0.1890602242195500