Year Percent Change at Annual Rate 1960-01-01 2.146777994583030 1961-01-01 2.130480465343950 1962-01-01 2.123000735402700 1963-01-01 2.140957469791890 1964-01-01 2.192143099322240 1965-01-01 2.263030447439800 1966-01-01 2.336767259368880 1967-01-01 2.394937057283450 1968-01-01 2.431280348160890 1969-01-01 2.439454810207110 1970-01-01 2.427846476658750 1971-01-01 2.410141702492600 1972-01-01 2.395352456458570 1973-01-01 2.381790083982630 1974-01-01 2.371848391979120 1975-01-01 2.363468423939330 1976-01-01 2.347795247922020 1977-01-01 2.326765901568720 1978-01-01 2.310308419961810 1979-01-01 2.300311218352530 1980-01-01 2.291045229445960 1981-01-01 2.279557151795090 1982-01-01 2.255521477543690 1983-01-01 2.209361956494880 1984-01-01 2.136644546343330 1985-01-01 2.044842303506840 1986-01-01 1.955475018520960 1987-01-01 1.868522708592060 1988-01-01 1.765657758744050 1989-01-01 1.644644367132200 1990-01-01 1.516347430098000 1991-01-01 1.378488636053080 1992-01-01 1.257673529579010 1993-01-01 1.187586929974810 1994-01-01 1.183323183605010 1995-01-01 1.222979543799160 1996-01-01 1.276613835305460 1997-01-01 1.311686887957460 1998-01-01 1.317382498480530 1999-01-01 1.280689402832670 2000-01-01 1.213585309619330 2001-01-01 1.148658340015690 2002-01-01 1.092547406707690 2003-01-01 1.022904327599640 2004-01-01 0.937978791473120 2005-01-01 0.846986381205394 2006-01-01 0.747693629099549 2007-01-01 0.663374060357768 2008-01-01 0.624759904165330 2009-01-01 0.646530397069360 2010-01-01 0.710723543924855 2011-01-01 0.788682930858104 2012-01-01 0.853826227949865 2013-01-01 0.901423211357024 2014-01-01 0.920921765027000 2015-01-01 0.919199181226726 2016-01-01 0.914735350798747 2017-01-01 0.913623971802060