Year Percent Change at Annual Rate 1960-01-01 3.06884040058783 1961-01-01 3.10953394729397 1962-01-01 3.14945979850289 1963-01-01 3.18717427718191 1964-01-01 3.22234277059952 1965-01-01 3.25661796131703 1966-01-01 3.28888419034500 1967-01-01 3.32398106902759 1968-01-01 3.36736624996155 1969-01-01 3.42075156263984 1970-01-01 3.47930557718894 1971-01-01 3.53613354116398 1972-01-01 3.58641143308189 1973-01-01 3.62988922121484 1974-01-01 3.66503831607422 1975-01-01 3.69344098388052 1976-01-01 3.71231231404425 1977-01-01 3.72761162809354 1978-01-01 3.74698943800809 1979-01-01 3.77239100447096 1980-01-01 3.79690478290161 1981-01-01 3.81520059142962 1982-01-01 3.81782797682432 1983-01-01 3.79931811302804 1984-01-01 3.75723421736462 1985-01-01 3.69830264916929 1986-01-01 3.63469291444663 1987-01-01 3.57015601664666 1988-01-01 3.49936009359216 1989-01-01 3.42282226931763 1990-01-01 3.34331630979555 1991-01-01 3.26660663612104 1992-01-01 3.19236846206493 1993-01-01 3.11614769797297 1994-01-01 3.03783402412309 1995-01-01 2.96142193672771 1996-01-01 2.88799130627553 1997-01-01 2.82454469940106 1998-01-01 2.77822566017989 1999-01-01 2.75184251246617 2000-01-01 2.74013580087885 2001-01-01 2.73177458228569 2002-01-01 2.72396581925676 2003-01-01 2.72299812277680 2004-01-01 2.72849327911094 2005-01-01 2.73727142320356 2006-01-01 2.74643078401802 2007-01-01 2.75206903586673 2008-01-01 2.75155906438204 2009-01-01 2.74320784278510 2010-01-01 2.72840571240366 2011-01-01 2.71182599842321 2012-01-01 2.69316939694823 2013-01-01 2.66812165895313 2014-01-01 2.63611635514760 2015-01-01 2.59933653353207 2016-01-01 2.56092539826487 2017-01-01 2.52311056260112