Year Percent Change at Annual Rate 1960-01-01 3.11158535552904 1961-01-01 3.05158703711029 1962-01-01 2.97844581745186 1963-01-01 2.88593601836902 1964-01-01 2.77248279801332 1965-01-01 2.64844602427128 1966-01-01 2.52761950467238 1967-01-01 2.42035878869851 1968-01-01 2.32804134608874 1969-01-01 2.25484244971639 1970-01-01 2.19953735127856 1971-01-01 2.14672842702475 1972-01-01 2.10529465802175 1973-01-01 2.09917758331205 1974-01-01 2.13434448781832 1975-01-01 2.19615147279773 1976-01-01 2.26061101738949 1977-01-01 2.31353192902685 1978-01-01 2.35830859017653 1979-01-01 2.39042177131382 1980-01-01 2.40892098917603 1981-01-01 2.42664970207561 1982-01-01 2.43323458303262 1983-01-01 2.40547572703925 1984-01-01 2.33728075816024 1985-01-01 2.24245473697843 1986-01-01 2.13592404268659 1987-01-01 2.03710258015170 1988-01-01 1.95563774941872 1989-01-01 1.89895086963782 1990-01-01 1.85783015878511 1991-01-01 1.82307908121371 1992-01-01 1.77844162533929 1993-01-01 1.71417740851792 1994-01-01 1.62421241729282 1995-01-01 1.51907157372115 1996-01-01 1.41329976713868 1997-01-01 1.32149182776115 1998-01-01 1.24771168089511 1999-01-01 1.19787861938398 2000-01-01 1.16736753602120 2001-01-01 1.14494678990418 2002-01-01 1.12631058687790 2003-01-01 1.11722739093975 2004-01-01 1.11740582428872 2005-01-01 1.12615029065781 2006-01-01 1.13463878931215 2007-01-01 1.14836175127296 2008-01-01 1.18103201381626 2009-01-01 1.23625438766317 2010-01-01 1.30357443538642 2011-01-01 1.37644147892187 2012-01-01 1.43512738833958 2013-01-01 1.46217775386915 2014-01-01 1.44790425119677 2015-01-01 1.40404547173424 2016-01-01 1.35122852209619 2017-01-01 1.30336309078287