Year Percent Change at Annual Rate 1960-01-01 1.666241461248520 1961-01-01 1.731188898506500 1962-01-01 1.796652759167120 1963-01-01 1.850551765335600 1964-01-01 1.893172379521020 1965-01-01 1.928496832978380 1966-01-01 1.967440696117240 1967-01-01 2.007222283635440 1968-01-01 2.035624998868060 1969-01-01 2.048880110912300 1970-01-01 2.057219878686560 1971-01-01 2.050655738002470 1972-01-01 2.054424790021260 1973-01-01 2.104808636126170 1974-01-01 2.215025627292690 1975-01-01 2.354922430517670 1976-01-01 2.496570126148000 1977-01-01 2.600080710709200 1978-01-01 2.653048601488600 1979-01-01 2.643868417791720 1980-01-01 2.586756703465110 1981-01-01 2.530235124184380 1982-01-01 2.473889832784720 1983-01-01 2.374254438722750 1984-01-01 2.227704263795190 1985-01-01 2.057440049623760 1986-01-01 1.861999056426040 1987-01-01 1.692356677195960 1988-01-01 1.612794498524090 1989-01-01 1.648000182424160 1990-01-01 1.755790460155960 1991-01-01 1.888549253153190 1992-01-01 1.975083875515110 1993-01-01 1.974298295252510 1994-01-01 1.858401293445760 1995-01-01 1.666048767516700 1996-01-01 1.460532433522670 1997-01-01 1.288609569221610 1998-01-01 1.144791483686390 1999-01-01 1.044545834498870 2000-01-01 0.977200342574811 2001-01-01 0.919185709084749 2002-01-01 0.863566461994844 2003-01-01 0.826356017117617 2004-01-01 0.811619728545971 2005-01-01 0.814524015295447 2006-01-01 0.823409812397895 2007-01-01 0.842214439496249 2008-01-01 0.886095129354892 2009-01-01 0.959367061816910 2010-01-01 1.051401885983180 2011-01-01 1.150640131644750 2012-01-01 1.240334488066800 2013-01-01 1.304088631943800 2014-01-01 1.333495085423950 2015-01-01 1.335998003204680 2016-01-01 1.332723919323900 2017-01-01 1.330510301751390