Year Percent Change at Annual Rate 1960-01-01 2.51143394573168 1961-01-01 2.48547320753473 1962-01-01 2.47073708465797 1963-01-01 2.49203518318717 1964-01-01 2.56043510757959 1965-01-01 2.65620106558270 1966-01-01 2.75967041009218 1967-01-01 2.84004362888171 1968-01-01 2.87998051259804 1969-01-01 2.86909500233464 1970-01-01 2.82718577741466 1971-01-01 2.77939282315137 1972-01-01 2.74916758929794 1973-01-01 2.74112194248720 1974-01-01 2.76250775197088 1975-01-01 2.80381898914748 1976-01-01 2.83883013852549 1977-01-01 2.86681867439648 1978-01-01 2.90887081235547 1979-01-01 2.96688901894694 1980-01-01 3.02898263435251 1981-01-01 3.08541647764118 1982-01-01 3.11993175493645 1983-01-01 3.12238625109455 1984-01-01 3.08712335239905 1985-01-01 3.02342263425720 1986-01-01 2.94895248703591 1987-01-01 2.86973434527200 1988-01-01 2.77735223013996 1989-01-01 2.67294216964106 1990-01-01 2.55903939357211 1991-01-01 2.44724401533186 1992-01-01 2.33288728528788 1993-01-01 2.20199598272006 1994-01-01 2.05175234616603 1995-01-01 1.89311623980877 1996-01-01 1.73925605114010 1997-01-01 1.60353519752425 1998-01-01 1.49080753748709 1999-01-01 1.40713135882670 2000-01-01 1.34966344449041 2001-01-01 1.30145272922752 2002-01-01 1.26723113441860 2003-01-01 1.26857953923602 2004-01-01 1.31092413487785 2005-01-01 1.38339843921785 2006-01-01 1.45970871133985 2007-01-01 1.53403833511292 2008-01-01 1.62129805825395 2009-01-01 1.72071735074783 2010-01-01 1.82135815863613 2011-01-01 1.92478657981558 2012-01-01 2.00661417637038 2013-01-01 2.03609172423878 2014-01-01 2.00066645791365 2015-01-01 1.91995902410572 2016-01-01 1.82546343244561 2017-01-01 1.73845575841731