Year Percent Change at Annual Rate 1961-01-01 2.78078181733505 1962-01-01 2.79516643891766 1963-01-01 2.79262333985695 1964-01-01 2.76318503041513 1965-01-01 2.72093359251609 1966-01-01 2.67435032626884 1967-01-01 2.63122751055542 1968-01-01 2.59604316822326 1969-01-01 2.56827486481816 1970-01-01 2.54637300609674 1971-01-01 2.52599976122750 1972-01-01 2.49958915741051 1973-01-01 2.47116349674054 1974-01-01 2.43682698462064 1975-01-01 2.39857644168254 1976-01-01 2.35895845698195 1977-01-01 2.32014147272007 1978-01-01 2.28820094731026 1979-01-01 2.25970900481329 1980-01-01 2.23579134523784 1981-01-01 2.21089485179007 1982-01-01 2.18436602815051 1983-01-01 2.15184088969013 1984-01-01 2.11184587192206 1985-01-01 2.06721971828914 1986-01-01 2.02025956581056 1987-01-01 1.97549861607136 1988-01-01 1.93561536819024 1989-01-01 1.90245857146022 1990-01-01 1.87414658455009 1991-01-01 1.84411861723284 1992-01-01 1.81250250440361 1993-01-01 1.77838268367461 1994-01-01 1.73716477680934 1995-01-01 1.69110965831463 1996-01-01 1.64789740671716 1997-01-01 1.60295679008155 1998-01-01 1.55969452441826 1999-01-01 1.50282786658215 2000-01-01 1.45071599414234 2001-01-01 1.39920897815963 2002-01-01 1.35281927807387 2003-01-01 1.31757255109055 2004-01-01 1.29637778976995 2005-01-01 1.28456396903196 2006-01-01 1.27485035590078 2007-01-01 1.26319244190371 2008-01-01 1.24965200313073 2009-01-01 1.23149251825845 2010-01-01 1.20967169612123 2011-01-01 1.18337857528110 2012-01-01 1.16161886169195 2013-01-01 1.13795146683646 2014-01-01 1.10768163490471 2015-01-01 1.07748358469240 2016-01-01 1.04605032904045 2017-01-01 1.01523327595044