Year Percent Change at Annual Rate 1960-01-01 2.90170251274482 1961-01-01 2.93858674417071 1962-01-01 2.97530385579306 1963-01-01 3.01126559290952 1964-01-01 3.04667455114744 1965-01-01 3.08119312671521 1966-01-01 3.11735464326100 1967-01-01 3.15339510511087 1968-01-01 3.18491467344013 1969-01-01 3.21111580853282 1970-01-01 3.23499469451026 1971-01-01 3.25119966070548 1972-01-01 3.27079038428330 1973-01-01 3.30969300416215 1974-01-01 3.37193582916501 1975-01-01 3.44445324043450 1976-01-01 3.51352764910706 1977-01-01 3.56276645886370 1978-01-01 3.58520353167425 1979-01-01 3.57605024978914 1980-01-01 3.54417352379327 1981-01-01 3.52029992158382 1982-01-01 3.49779608406234 1983-01-01 3.44547696102527 1984-01-01 3.35945422023069 1985-01-01 3.26076527465568 1986-01-01 3.12878457647103 1987-01-01 3.02530942715076 1988-01-01 3.03358528330550 1989-01-01 3.17845933185652 1990-01-01 3.39218161340522 1991-01-01 3.63594102560436 1992-01-01 3.79361881483834 1993-01-01 3.77309583765625 1994-01-01 3.53951668109915 1995-01-01 3.18293313825257 1996-01-01 2.79509099944646 1997-01-01 2.48739028613223 1998-01-01 2.30722134198328 1999-01-01 2.29431580810002 2000-01-01 2.38972363509063 2001-01-01 2.51653177004789 2002-01-01 2.59463766078474 2003-01-01 2.60316643777700 2004-01-01 2.51730246708586 2005-01-01 2.37521386341344 2006-01-01 2.22389639792190 2007-01-01 2.11454532139033 2008-01-01 2.06319520900434 2009-01-01 2.08734059484114 2010-01-01 2.16169776110491 2011-01-01 2.24686428837662 2012-01-01 2.31293852304033 2013-01-01 2.36069365034849 2014-01-01 2.38118455988502 2015-01-01 2.38246909564974 2016-01-01 2.38043988706363 2017-01-01 2.38302698057069