Year Percent Change at Annual Rate 1960-01-01 5.859583938041440 1961-01-01 8.723625112852240 1962-01-01 10.681180576123900 1963-01-01 11.012721497351800 1964-01-01 9.824817323960910 1965-01-01 8.196603002673010 1966-01-01 6.512983548282880 1967-01-01 5.928620334533700 1968-01-01 7.308394176636850 1969-01-01 10.669155078854900 1970-01-01 14.446941576240800 1971-01-01 16.881670571632700 1972-01-01 17.689813653640400 1973-01-01 17.695296240539600 1974-01-01 17.125614750000000 1975-01-01 16.211873402049900 1976-01-01 15.450883836029700 1977-01-01 14.530119115301600 1978-01-01 13.033460843946600 1979-01-01 11.071305942104500 1980-01-01 9.065862578326120 1981-01-01 7.262153652838180 1982-01-01 5.943894702182520 1983-01-01 5.201767877655780 1984-01-01 5.088948120109500 1985-01-01 5.358225437575180 1986-01-01 5.670981174722870 1987-01-01 5.837586461883790 1988-01-01 5.916789644450500 1989-01-01 5.874911415392400 1990-01-01 5.760704935219120 1991-01-01 5.737670889551870 1992-01-01 5.750789693770880 1993-01-01 5.626297989229690 1994-01-01 5.348654253863660 1995-01-01 5.030211588032330 1996-01-01 4.869643144647240 1997-01-01 4.895276937934260 1998-01-01 4.989519304408860 1999-01-01 5.150781291714240 2000-01-01 5.430624125145520 2001-01-01 5.281527797120450 2002-01-01 5.304712048645250 2003-01-01 6.477493320883050 2004-01-01 8.843691850337890 2005-01-01 11.356438627549500 2006-01-01 13.510584905765800 2007-01-01 14.236792030014200 2008-01-01 13.161466247889100 2009-01-01 10.615443876989500 2010-01-01 7.587098322892010 2011-01-01 4.743700298180900 2012-01-01 2.594795713670440 2013-01-01 1.181804988751270 2014-01-01 0.714762520858884 2015-01-01 0.915608331412884 2016-01-01 1.251759052469420 2017-01-01 1.398359143478150