Year Percent Change at Annual Rate 1960-01-01 3.336060720599160000 1961-01-01 1.095789674741240000 1962-01-01 1.143154014185530000 1963-01-01 1.322525647100480000 1964-01-01 1.382204638053640000 1965-01-01 0.976289383725576000 1966-01-01 0.747873418831712000 1967-01-01 0.961728386006623000 1968-01-01 0.956732069447229000 1969-01-01 0.782340328898866000 1970-01-01 0.355759845018321000 1971-01-01 0.364260163980666000 1972-01-01 0.826716475011768000 1973-01-01 0.908113632602921000 1974-01-01 0.959785770177262000 1975-01-01 0.993595532400350000 1976-01-01 0.997795382500440000 1977-01-01 0.963866722795674000 1978-01-01 0.794064583275141000 1979-01-01 0.802185476116554000 1980-01-01 0.923267472012982000 1981-01-01 0.907868488110380000 1982-01-01 0.920284572106585000 1983-01-01 0.937688926120541000 1984-01-01 0.904590692120330000 1985-01-01 0.803585474669463000 1986-01-01 0.681065576626595000 1987-01-01 0.564203449048717000 1988-01-01 0.414457482867701000 1989-01-01 0.361655504808961000 1990-01-01 0.392398205207372000 1991-01-01 0.354679168347882000 1992-01-01 0.306681390812185000 1993-01-01 0.254450913938076000 1994-01-01 0.211012328819338000 1995-01-01 0.135721033853630000 1996-01-01 0.076074182364552800 1997-01-01 0.065455369424731500 1998-01-01 0.035753301362371800 1999-01-01 -0.008302752825141100 2000-01-01 -1.044335398378440000 2001-01-01 -0.027587124728295800 2002-01-01 -0.046318937249939200 2003-01-01 -0.067492701646486000 2004-01-01 -0.058512735127328800 2005-01-01 -0.043948953332248000 2006-01-01 -0.063370574292663200 2007-01-01 -0.054305020803870700 2008-01-01 0.013637379682709100 2009-01-01 0.067763227021235000 2010-01-01 -0.285609121534849000 2011-01-01 0.053769708878100700 2012-01-01 -0.000239076003298365 2013-01-01 -0.060360017474464900 2014-01-01 -0.074846229292050600 2015-01-01 -0.066641100965716800 2016-01-01 -0.042985130874350000 2017-01-01 0.015152886171887700