Year Percent Change at Annual Rate 1960-01-01 2.57255099361187 1961-01-01 2.58428265235715 1962-01-01 2.59503930245810 1963-01-01 2.60540409093931 1964-01-01 2.61599579655326 1965-01-01 2.62698001477103 1966-01-01 2.64762017723350 1967-01-01 2.67026243596898 1968-01-01 2.67985960468628 1969-01-01 2.67287532964308 1970-01-01 2.66105587554210 1971-01-01 2.65524487297369 1972-01-01 2.67229257760753 1973-01-01 2.72234744744748 1974-01-01 2.81158165383117 1975-01-01 2.92988037818636 1976-01-01 3.03089072583308 1977-01-01 3.13075495059474 1978-01-01 3.28335115951399 1979-01-01 3.49643417317861 1980-01-01 3.72947492168671 1981-01-01 3.92873577909219 1982-01-01 4.05825116509500 1983-01-01 4.12028926142029 1984-01-01 4.10654671718373 1985-01-01 4.02563756520711 1986-01-01 3.96356029017991 1987-01-01 3.86420693216612 1988-01-01 3.60273002730698 1989-01-01 3.15548275643213 1990-01-01 2.61100946710830 1991-01-01 2.02362733210688 1992-01-01 1.53095718261577 1993-01-01 1.24601665649078 1994-01-01 1.23642007663833 1995-01-01 1.41401119590999 1996-01-01 1.64944055339568 1997-01-01 1.81425030427893 1998-01-01 1.87994138183782 1999-01-01 1.80215850562175 2000-01-01 1.62997314348261 2001-01-01 1.44800629457163 2002-01-01 1.31319281372537 2003-01-01 1.21259817821244 2004-01-01 1.16217169728303 2005-01-01 1.14928037032577 2006-01-01 1.13812842848817 2007-01-01 1.12136970411040 2008-01-01 1.12433246860125 2009-01-01 1.14927238666368 2010-01-01 1.18708425639044 2011-01-01 1.23162503854368 2012-01-01 1.26625274418110 2013-01-01 1.27601529618808 2014-01-01 1.25215631871941 2015-01-01 1.20352026096251 2016-01-01 1.14878859969196 2017-01-01 1.09683807176374