Year Percent Change at Annual Rate 1960-01-01 1.90000358060620 1961-01-01 1.93877745696919 1962-01-01 1.96917471736412 1963-01-01 1.97745709694519 1964-01-01 1.95817926350658 1965-01-01 1.92401449608703 1966-01-01 1.87372760064555 1967-01-01 1.84054482738213 1968-01-01 1.86159061706758 1969-01-01 1.95327818343066 1970-01-01 2.08476163133994 1971-01-01 2.24014882099824 1972-01-01 2.36079682064873 1973-01-01 2.39639008715961 1974-01-01 2.32407897443431 1975-01-01 2.18707789866604 1976-01-01 2.04075323893329 1977-01-01 1.94064659198251 1978-01-01 1.90132571187624 1979-01-01 1.94312858288497 1980-01-01 2.04481487423564 1981-01-01 2.15142592858832 1982-01-01 2.25266148118912 1983-01-01 2.38681756689975 1984-01-01 2.55457440201330 1985-01-01 2.73747403580804 1986-01-01 2.93156411646703 1987-01-01 3.10004279166428 1988-01-01 3.20706468970281 1989-01-01 3.23742369325327 1990-01-01 3.22030190151235 1991-01-01 3.19219237293456 1992-01-01 3.18460855822453 1993-01-01 3.20087657858008 1994-01-01 3.24959999394388 1995-01-01 3.31971828227119 1996-01-01 3.37645373731099 1997-01-01 3.42249247858258 1998-01-01 3.48839623141476 1999-01-01 3.57719477597411 2000-01-01 3.67113450125195 2001-01-01 3.76924642695340 2002-01-01 3.83497582872249 2003-01-01 3.83064112566758 2004-01-01 3.74420730653572 2005-01-01 3.61029310392857 2006-01-01 3.46166457804893 2007-01-01 3.34140539502624 2008-01-01 3.26966639132380 2009-01-01 3.25982614973354 2010-01-01 3.28730923098424 2011-01-01 3.32137943094431 2012-01-01 3.33300889359437 2013-01-01 3.31667519978018 2014-01-01 3.26470636520054 2015-01-01 3.19094027239369 2016-01-01 3.11409244065461 2017-01-01 3.04904250329055