Year Percent Change at Annual Rate 1960-01-01 4.79026573094297 1961-01-01 4.96905937594905 1962-01-01 5.06054427625651 1963-01-01 5.03294412804814 1964-01-01 4.87778229988943 1965-01-01 4.64445373935001 1966-01-01 4.40822715916801 1967-01-01 4.17687607127011 1968-01-01 3.86764394773334 1969-01-01 3.48219464223622 1970-01-01 3.06137179768445 1971-01-01 2.62764340575954 1972-01-01 2.26110138432899 1973-01-01 2.03108892084938 1974-01-01 1.97012812630285 1975-01-01 2.02316643750696 1976-01-01 2.10598064695062 1977-01-01 2.15847339109975 1978-01-01 2.20868735994054 1979-01-01 2.21776010967340 1980-01-01 2.22187098513650 1981-01-01 2.22279880649331 1982-01-01 2.23985713050674 1983-01-01 2.20544023811412 1984-01-01 2.12133560540034 1985-01-01 2.01081872755699 1986-01-01 1.87588074614749 1987-01-01 1.76659019708463 1988-01-01 1.70523021012048 1989-01-01 1.70999785693118 1990-01-01 1.76593823380128 1991-01-01 1.84756691266013 1992-01-01 1.90351883050671 1993-01-01 1.87275503545677 1994-01-01 1.72928668602759 1995-01-01 1.53048154604230 1996-01-01 1.29093540120957 1997-01-01 1.11431526559061 1998-01-01 1.07101174528088 1999-01-01 1.20351262130428 2000-01-01 1.46013664991475 2001-01-01 1.74539599940271 2002-01-01 1.96709876399798 2003-01-01 2.10888544218582 2004-01-01 2.12456602410762 2005-01-01 2.06305502717715 2006-01-01 1.97907761321495 2007-01-01 1.91642622365806 2008-01-01 1.83737824591945 2009-01-01 1.75689491400214 2010-01-01 1.67004026706390 2011-01-01 1.57715669462138 2012-01-01 1.48146444898241 2013-01-01 1.38829021880535 2014-01-01 1.29813294741223 2015-01-01 1.21430815894272 2016-01-01 1.12947336670266 2017-01-01 1.04985371711888