Year Percent Change at Annual Rate 1960-01-01 2.92792865610793 1961-01-01 2.95095431826246 1962-01-01 2.97676771216129 1963-01-01 2.99474985119738 1964-01-01 2.99355808999919 1965-01-01 3.01548277472095 1966-01-01 3.00807571080232 1967-01-01 3.02072363839571 1968-01-01 3.09569817658071 1969-01-01 3.25098512573207 1970-01-01 3.43663346884831 1971-01-01 3.62794073431722 1972-01-01 3.77011091157146 1973-01-01 3.83684371760793 1974-01-01 3.81964005535694 1975-01-01 3.74632055142143 1976-01-01 3.65190231040163 1977-01-01 3.57228917625682 1978-01-01 3.50155313856522 1979-01-01 3.44591007582727 1980-01-01 3.40051816172905 1981-01-01 3.35662931689346 1982-01-01 3.30523393763295 1983-01-01 3.23443795671962 1984-01-01 3.13689806355719 1985-01-01 3.03372780771163 1986-01-01 2.92467342269028 1987-01-01 2.83737818541579 1988-01-01 2.78485651202242 1989-01-01 2.77141256081531 1990-01-01 2.79227951563249 1991-01-01 2.81811207714771 1992-01-01 2.82788635440784 1993-01-01 2.83941161684270 1994-01-01 2.83720773703813 1995-01-01 2.82325195016557 1996-01-01 2.81179065951006 1997-01-01 2.79649295984913 1998-01-01 2.77623301201533 1999-01-01 2.75080745601844 2000-01-01 2.71982393038979 2001-01-01 2.68862837119671 2002-01-01 2.65614516250392 2003-01-01 2.60935338839322 2004-01-01 2.55346750748204 2005-01-01 2.49116263249406 2006-01-01 2.42562404325047 2007-01-01 2.36432384359178 2008-01-01 2.31347862794371 2009-01-01 2.27376054763719 2010-01-01 2.24386227810355 2011-01-01 2.21555918225184 2012-01-01 2.18439783076812 2013-01-01 2.14923558620604 2014-01-01 2.10557753043035 2015-01-01 2.05994286354512 2016-01-01 2.01152454941326 2017-01-01 1.96973237099163