Year Percent Change at Annual Rate 1960-01-01 2.41937117853910 1961-01-01 2.51404476223895 1962-01-01 2.62558420943141 1963-01-01 2.75914322352675 1964-01-01 2.91424475196775 1965-01-01 3.07448294775052 1966-01-01 3.23481185687163 1967-01-01 3.36695559819827 1968-01-01 3.44142617075399 1969-01-01 3.44817725347123 1970-01-01 3.40901054214644 1971-01-01 3.35038682450530 1972-01-01 3.29859361143270 1973-01-01 3.26065562421540 1974-01-01 3.24451366966612 1975-01-01 3.23797227647097 1976-01-01 3.23004482404810 1977-01-01 3.20256230905265 1978-01-01 3.14543999126653 1979-01-01 3.05347177297619 1980-01-01 2.93993691714548 1981-01-01 2.83907498887476 1982-01-01 2.75089192374034 1983-01-01 2.64831430340650 1984-01-01 2.52891058958709 1985-01-01 2.40993570017277 1986-01-01 2.28476049160546 1987-01-01 2.19563370960152 1988-01-01 2.19581697782874 1989-01-01 2.30559325075614 1990-01-01 2.48534961706099 1991-01-01 2.67560152285257 1992-01-01 2.83238289276445 1993-01-01 2.95579811779141 1994-01-01 3.03226958883541 1995-01-01 3.07090272893181 1996-01-01 3.10592341686335 1997-01-01 3.13280308983554 1998-01-01 3.11680218941222 1999-01-01 3.05295656408737 2000-01-01 2.95975173559538 2001-01-01 2.87045288575440 2002-01-01 2.79602173273725 2003-01-01 2.72260778578667 2004-01-01 2.65293505140130 2005-01-01 2.59486306225686 2006-01-01 2.52081398973588 2007-01-01 2.46951909270376 2008-01-01 2.50782117854462 2009-01-01 2.65491675192543 2010-01-01 2.86233481026105 2011-01-01 3.08667742535173 2012-01-01 3.25442374980449 2013-01-01 3.32037317258671 2014-01-01 3.26040675859940 2015-01-01 3.12045010252178 2016-01-01 2.96516369602359 2017-01-01 2.84090624149766