Year Percent Change at Annual Rate 1960-01-01 2.776845112222020 1961-01-01 2.866375617095440 1962-01-01 2.932650913427410 1963-01-01 2.962322649171060 1964-01-01 2.950162442850520 1965-01-01 2.908716719077400 1966-01-01 2.852970676749600 1967-01-01 2.795759987919030 1968-01-01 2.741315175076080 1969-01-01 2.694033914345660 1970-01-01 2.648518321895850 1971-01-01 2.598319560590270 1972-01-01 2.537536687089260 1973-01-01 2.465313326662640 1974-01-01 2.381280052364610 1975-01-01 2.287851954532440 1976-01-01 2.197484457079400 1977-01-01 2.107261252944000 1978-01-01 2.001831927119990 1979-01-01 1.879225130390090 1980-01-01 1.748289963686280 1981-01-01 1.616740505660460 1982-01-01 1.499982712864470 1983-01-01 1.411635183655730 1984-01-01 1.360005254479800 1985-01-01 1.335644107839260 1986-01-01 1.313128792929840 1987-01-01 1.289935484593610 1988-01-01 1.284252620070570 1989-01-01 1.298575120112730 1990-01-01 1.322526367885990 1991-01-01 1.354687729494720 1992-01-01 1.373641108807210 1993-01-01 1.354936263050360 1994-01-01 1.287709128884400 1995-01-01 1.186275010683030 1996-01-01 1.077911427915900 1997-01-01 0.979509010389240 1998-01-01 0.885612579070167 1999-01-01 0.801131975285108 2000-01-01 0.725902079411965 2001-01-01 0.651222643136821 2002-01-01 0.579779300833908 2003-01-01 0.524387110848465 2004-01-01 0.488461427034877 2005-01-01 0.468606319846985 2006-01-01 0.455375225523418 2007-01-01 0.444763575333988 2008-01-01 0.439995671208227 2009-01-01 0.440496003704660 2010-01-01 0.444647422190366 2011-01-01 0.452110174302421 2012-01-01 0.462163675828822 2013-01-01 0.473556778840406 2014-01-01 0.485351774818735 2015-01-01 0.496901567748348 2016-01-01 0.509497673280554 2017-01-01 0.520823416513904