Year Percent Change at Annual Rate 1960-01-01 2.37372995829774 1961-01-01 2.40631023060855 1962-01-01 2.43836086652889 1963-01-01 2.46932368707076 1964-01-01 2.49925643830188 1965-01-01 2.52864395179666 1966-01-01 2.55625469083645 1967-01-01 2.58402363940713 1968-01-01 2.61534434747910 1969-01-01 2.65053320615332 1970-01-01 2.68749358791616 1971-01-01 2.72317546729013 1972-01-01 2.75504182143900 1973-01-01 2.78254255095536 1974-01-01 2.80453628240917 1975-01-01 2.82193919295542 1976-01-01 2.83685620274630 1977-01-01 2.84980627058147 1978-01-01 2.86004874543498 1979-01-01 2.86792802076515 1980-01-01 2.87320786021529 1981-01-01 2.88117474839928 1982-01-01 2.88706850088496 1983-01-01 2.88360345838478 1984-01-01 2.86863129447377 1985-01-01 2.84858782174948 1986-01-01 2.82768098105062 1987-01-01 2.81576482415418 1988-01-01 2.82091759118394 1989-01-01 2.84670899576914 1990-01-01 2.88620025751485 1991-01-01 2.92429309098528 1992-01-01 2.95776971157171 1993-01-01 2.99599663658711 1994-01-01 3.03871530658799 1995-01-01 3.08108071577888 1996-01-01 3.12164017802628 1997-01-01 3.15181812481716 1998-01-01 3.16206069323792 1999-01-01 3.14887661241171 2000-01-01 3.11970869595064 2001-01-01 3.08585770501717 2002-01-01 3.05349376685692 2003-01-01 3.01996927733734 2004-01-01 2.98667624196401 2005-01-01 2.95390110068182 2006-01-01 2.92115306132575 2007-01-01 2.88822089716266 2008-01-01 2.85561434637166 2009-01-01 2.82352626504410 2010-01-01 2.79264732396225 2011-01-01 2.76180680741550 2012-01-01 2.73374640380636 2013-01-01 2.71305071282577 2014-01-01 2.70109745083855 2015-01-01 2.69457794584709 2016-01-01 2.68887071167480 2017-01-01 2.68058464646082