Year Percent Change at Annual Rate 1960-01-01 0.9018789507832570 1961-01-01 0.5921024605832730 1962-01-01 0.5952897389701830 1963-01-01 0.8272988419816680 1964-01-01 0.9321461055848890 1965-01-01 1.0389960329135100 1966-01-01 1.2500671210412300 1967-01-01 1.1682461402418800 1968-01-01 0.8849599632543210 1969-01-01 0.5457505603389950 1970-01-01 0.6407554859666570 1971-01-01 0.7763898475882660 1972-01-01 0.7963215982340700 1973-01-01 0.8220727014609410 1974-01-01 0.5326264578499350 1975-01-01 0.9776213926923780 1976-01-01 1.4759124858135700 1977-01-01 1.2083280812078500 1978-01-01 1.0888857022045500 1979-01-01 1.0707826198988400 1980-01-01 0.9892483090597070 1981-01-01 0.2739608304731850 1982-01-01 0.1992735534777610 1983-01-01 0.6255214249804070 1984-01-01 0.5102132628099390 1985-01-01 0.4898049053595260 1986-01-01 1.2449218453193500 1987-01-01 1.2039359321304000 1988-01-01 0.2720221543415910 1989-01-01 0.0578723002503228 1990-01-01 0.0906243427921073 1991-01-01 0.0634382236559831 1992-01-01 -0.1466994029492300 1993-01-01 -0.2383004775419700 1994-01-01 -0.1156940932411370 1995-01-01 0.0215614999899353 1996-01-01 -0.0625361337459717 1997-01-01 -0.1344543430223710 1998-01-01 -0.2181176567350810 1999-01-01 0.0714308445137258 2000-01-01 0.2960749600504500 2001-01-01 0.1574987420476570 2002-01-01 0.1239154423232720 2003-01-01 0.0602967792572922 2004-01-01 0.0640662022616923 2005-01-01 0.1732089050737430 2006-01-01 0.3191145365710700 2007-01-01 0.5592078155368310 2008-01-01 0.1581408436343630 2009-01-01 0.9038755352109130 2010-01-01 0.4360794846359300 2011-01-01 0.2077327023297240 2012-01-01 0.2100243059004480 2013-01-01 0.1357262289156310 2014-01-01 0.0983519219451147 2015-01-01 0.0751906890115330 2016-01-01 0.0731972072415279 2017-01-01 0.0825792258051985