Year Percent Change at Annual Rate 1960-01-01 3.574736674600020 1961-01-01 3.600961740657980 1962-01-01 3.600883901532170 1963-01-01 3.560424680369630 1964-01-01 3.477438806842390 1965-01-01 3.363648349661380 1966-01-01 3.253265806815540 1967-01-01 3.148335364215300 1968-01-01 3.031340790142340 1969-01-01 2.902284840787990 1970-01-01 2.772458711404220 1971-01-01 2.641787736986020 1972-01-01 2.532402385658310 1973-01-01 2.470203268531810 1974-01-01 2.466495578024360 1975-01-01 2.502045201350650 1976-01-01 2.546205904149660 1977-01-01 2.579869463723690 1978-01-01 2.612154790484240 1979-01-01 2.636855236110270 1980-01-01 2.655194750912520 1981-01-01 2.676729081243900 1982-01-01 2.695037406328120 1983-01-01 2.690856211162670 1984-01-01 2.661294025798880 1985-01-01 2.614316496311270 1986-01-01 2.558454451027290 1987-01-01 2.511061840335570 1988-01-01 2.487626488652790 1989-01-01 2.495236367529150 1990-01-01 2.519859572336430 1991-01-01 2.540268016561250 1992-01-01 2.543757160564980 1993-01-01 2.532176810987730 1994-01-01 2.503155065765570 1995-01-01 2.457690906993960 1996-01-01 2.414583505668370 1997-01-01 2.362731187995060 1998-01-01 2.272497430953760 1999-01-01 2.136346337326630 2000-01-01 1.973780614022520 2001-01-01 1.801432944118110 2002-01-01 1.647828440149470 2003-01-01 1.532956107506110 2004-01-01 1.469217668112300 2005-01-01 1.441729115425530 2006-01-01 1.424719671454620 2007-01-01 1.398344085188540 2008-01-01 1.364702551419750 2009-01-01 1.317725027521370 2010-01-01 1.262356467602360 2011-01-01 1.207000977221900 2012-01-01 1.159393688127740 2013-01-01 1.117021849874110 2014-01-01 1.081458760143230 2015-01-01 1.051233008303370 2016-01-01 1.022696046717470 2017-01-01 0.993448432960628