Year Percent Change at Annual Rate 1960-01-01 2.80781442354155 1961-01-01 2.79434796996743 1962-01-01 2.78683030024675 1963-01-01 2.79295313226400 1964-01-01 2.81724182908467 1965-01-01 2.85208331831082 1966-01-01 2.89033539299286 1967-01-01 2.92221450792472 1968-01-01 2.94496907445711 1969-01-01 2.95467417285021 1970-01-01 2.95648722157469 1971-01-01 2.95467335183029 1972-01-01 2.95741556783096 1973-01-01 2.96994692057262 1974-01-01 2.99479204956675 1975-01-01 3.02660600505673 1976-01-01 3.05740851280786 1977-01-01 3.07950160388255 1978-01-01 3.09142053865514 1979-01-01 3.09105235131027 1980-01-01 3.08158973010672 1981-01-01 3.06940338618344 1982-01-01 3.05644738994128 1983-01-01 3.03956688276980 1984-01-01 3.01841723884374 1985-01-01 2.99455429633381 1986-01-01 2.96797417296486 1987-01-01 2.94137734747748 1988-01-01 2.91959534110934 1989-01-01 2.90365542509489 1990-01-01 2.89065637347900 1991-01-01 2.87675704880219 1992-01-01 2.85848693125094 1993-01-01 2.83618316307974 1994-01-01 2.80931561305615 1995-01-01 2.77820212906338 1996-01-01 2.74353169561494 1997-01-01 2.70734600857580 1998-01-01 2.67007479976220 1999-01-01 2.63289969311465 2000-01-01 2.59397299373155 2001-01-01 2.55402559631934 2002-01-01 2.50962218813314 2003-01-01 2.45625459451332 2004-01-01 2.39275793860430 2005-01-01 2.32253329183174 2006-01-01 2.25256385771365 2007-01-01 2.18464811713689 2008-01-01 2.11406256990896 2009-01-01 2.04138690966164 2010-01-01 1.96875093883153 2011-01-01 1.89560151330574 2012-01-01 1.82770410106820 2013-01-01 1.77287379028586 2014-01-01 1.73395300173024 2015-01-01 1.70642988244152 2016-01-01 1.68246258438676 2017-01-01 1.65637203554262