Year Percent Change at Annual Rate 1960-01-01 2.951835180876970 1961-01-01 2.974000180056880 1962-01-01 2.990630142767080 1963-01-01 3.001193527175490 1964-01-01 3.005371455248440 1965-01-01 3.003102937265030 1966-01-01 2.991313278162910 1967-01-01 2.972860274327500 1968-01-01 2.953252793393030 1969-01-01 2.933917657032920 1970-01-01 2.910627730795270 1971-01-01 2.886010150839960 1972-01-01 2.848726665322930 1973-01-01 2.784514930454200 1974-01-01 2.688713870400410 1975-01-01 2.573081870098750 1976-01-01 2.454311184387510 1977-01-01 2.344379766227570 1978-01-01 2.242819328134280 1979-01-01 2.153647782229350 1980-01-01 2.074787826999640 1981-01-01 1.989517959499000 1982-01-01 1.905813329620660 1983-01-01 1.847421628820470 1984-01-01 1.820257659183770 1985-01-01 1.809823635855030 1986-01-01 1.818436942103370 1987-01-01 1.809943012961530 1988-01-01 1.741330522372940 1989-01-01 1.594817314146450 1990-01-01 1.401926379013280 1991-01-01 1.186895078901720 1992-01-01 1.006951573713410 1993-01-01 0.907063778131613 1994-01-01 0.915484794145234 1995-01-01 0.996894435102658 1996-01-01 1.102759443645050 1997-01-01 1.176783615942420 1998-01-01 1.198401199024350 1999-01-01 1.145041529574760 2000-01-01 1.039999323986120 2001-01-01 0.925373854230488 2002-01-01 0.830370841663514 2003-01-01 0.749121215597825 2004-01-01 0.690476230914128 2005-01-01 0.649003980511151 2006-01-01 0.607537277125920 2007-01-01 0.562721711848241 2008-01-01 0.527560923795048 2009-01-01 0.503805274032711 2010-01-01 0.487642631189843 2011-01-01 0.476955828667069 2012-01-01 0.463677382067190 2013-01-01 0.439874966693248 2014-01-01 0.400860710627252 2015-01-01 0.351383331951187 2016-01-01 0.299465511725956 2017-01-01 0.252353584486131