Year Percent Change at Annual Rate 1960-01-01 0.6231452528821350 1961-01-01 0.7621126843428750 1962-01-01 0.7268437554868910 1963-01-01 0.6949445956988080 1964-01-01 0.6659241896427380 1965-01-01 0.6393147526903860 1966-01-01 0.6046530049866010 1967-01-01 0.6010189150507560 1968-01-01 0.5745161154610660 1969-01-01 0.5256554213252490 1970-01-01 0.5455798938725780 1971-01-01 0.5426194638740120 1972-01-01 0.4948278202875920 1973-01-01 0.4700624212144260 1974-01-01 0.4233989612007300 1975-01-01 0.3773170606773640 1976-01-01 0.3538261099598600 1977-01-01 0.0441403670817320 1978-01-01 0.5281702419175760 1979-01-01 0.3286953764671710 1980-01-01 0.3712199917516850 1981-01-01 0.4349724126465840 1982-01-01 0.5842275624228360 1983-01-01 0.5164633816841170 1984-01-01 0.4497277094895740 1985-01-01 0.4477142112438080 1986-01-01 0.4457186621327660 1987-01-01 0.3804697043663850 1988-01-01 0.3580081743159250 1989-01-01 0.2099958772544230 1990-01-01 0.2723370280676040 1991-01-01 -5.8143392988777600 1992-01-01 -0.8908744889109550 1993-01-01 3.7325957612686300 1994-01-01 0.2152853361101090 1995-01-01 0.4077696389535090 1996-01-01 -3.8201742225662600 1997-01-01 1.7207572169426800 1998-01-01 -1.5651151621768600 1999-01-01 1.1706373330752100 2000-01-01 -2.8509726012689900 2001-01-01 0.3158134815275420 2002-01-01 0.0000000000000000 2003-01-01 0.0000000000000000 2004-01-01 -0.0225250592235249 2005-01-01 0.0675599620337599 2006-01-01 -0.0450349028102344 2007-01-01 -0.0901306956012776 2008-01-01 -0.0336395618846142 2009-01-01 -0.1225237884372480 2010-01-01 -0.2553902156756520 2012-01-01 -0.3056559447959090 2013-01-01 -0.2785090628501290 2014-01-01 -0.4073431847776330 2015-01-01 -0.8240991639135380 2016-01-01 -0.6983834573127300 2017-01-01 -1.1722715641610200