Year Percent Change at Annual Rate 1960-01-01 2.99870190333280 1961-01-01 3.18710514012485 1962-01-01 3.35592694941817 1963-01-01 3.46438387960136 1964-01-01 3.49706939322337 1965-01-01 3.49222167307728 1966-01-01 3.48086266504825 1967-01-01 3.51928816707732 1968-01-01 3.64118765951534 1969-01-01 3.86213101445985 1970-01-01 4.14121167192949 1971-01-01 4.43394250414004 1972-01-01 4.68917637344232 1973-01-01 4.88655755376995 1974-01-01 5.01416647817549 1975-01-01 5.10005681299557 1976-01-01 5.11558921894303 1977-01-01 5.14737193212411 1978-01-01 5.30222029042426 1979-01-01 5.59828230544412 1980-01-01 5.93166963596821 1981-01-01 6.22923691563697 1982-01-01 6.36616733172553 1983-01-01 6.27735075540154 1984-01-01 5.94951157920313 1985-01-01 5.48665876366651 1986-01-01 5.02651307197436 1987-01-01 4.62597416912644 1988-01-01 4.24284844130357 1989-01-01 3.88724658836232 1990-01-01 3.55911572548267 1991-01-01 3.25993501387978 1992-01-01 2.98447731434548 1993-01-01 2.72966061521766 1994-01-01 2.49573096358409 1995-01-01 2.29314332570218 1996-01-01 2.09019478056751 1997-01-01 1.93601051235443 1998-01-01 1.91374620244037 1999-01-01 2.05074461333423 2000-01-01 2.28904622887898 2001-01-01 2.56399531365159 2002-01-01 2.78989348824192 2003-01-01 2.92453158831106 2004-01-01 2.93768148408096 2005-01-01 2.87182373955809 2006-01-01 2.77489805150486 2007-01-01 2.70639126080734 2008-01-01 2.68879692134290 2009-01-01 2.74044148420040 2010-01-01 2.82593777247208 2011-01-01 2.91896419521850 2012-01-01 2.95999357738822 2013-01-01 2.90756341891942 2014-01-01 2.74137581980351 2015-01-01 2.50413725725879 2016-01-01 2.25142247448685 2017-01-01 2.03192507950024