Year Percent Change at Annual Rate 1961-01-01 2.8114253994075000 1962-01-01 2.6528341285169500 1963-01-01 2.5422248286535100 1964-01-01 2.5051037854984700 1965-01-01 2.5112700815075300 1966-01-01 2.4928784956222100 1967-01-01 2.4582923348897900 1968-01-01 2.4208218643987100 1969-01-01 2.3788791235406400 1970-01-01 2.3310638851647300 1971-01-01 2.0223229494997800 1972-01-01 2.4097116264516400 1973-01-01 1.5285319871711100 1974-01-01 1.8201479591641200 1975-01-01 2.3118176351990400 1976-01-01 2.0235088902115100 1977-01-01 2.0967323029657200 1978-01-01 0.5874016373334650 1979-01-01 0.8587319263795910 1980-01-01 0.9130888309471790 1981-01-01 1.2160783348047300 1982-01-01 0.5885667214644790 1983-01-01 -0.1211669455726420 1984-01-01 0.5920111516057460 1985-01-01 0.8110169798773270 1986-01-01 0.6233976917905360 1987-01-01 4.2451081751784600 1988-01-01 0.3730314553434190 1989-01-01 0.5974409093231170 1990-01-01 0.4903596655207130 1991-01-01 1.3319620124614900 1992-01-01 0.4589178179272680 1993-01-01 2.0837583394622300 1994-01-01 2.6657684725925400 1995-01-01 1.4701720897137400 1996-01-01 1.4671930264195200 1997-01-01 1.1734536483024400 1998-01-01 1.9556861897417200 1999-01-01 1.9641963670501600 2000-01-01 0.8926585667661740 2001-01-01 0.0874745178458057 2002-01-01 3.0573853261094800 2003-01-01 -1.1315164207039100 2004-01-01 -0.3703349345587940 2005-01-01 0.4633082144585620 2006-01-01 2.0805967352947000 2007-01-01 0.5105149828434970 2008-01-01 2.2362827154320200 2009-01-01 0.3925309480751600 2010-01-01 2.7923290692912800 2011-01-01 -2.6286563552168400 2012-01-01 0.9809801901283220 2013-01-01 1.8468760929650800 2014-01-01 1.5553957091150700 2015-01-01 2.2297950532192300 2016-01-01 1.3376347795002500 2017-01-01 1.2240337581812300