Quarter Percent Change 1976-04-01 -0.00726465129523744 1976-07-01 -0.01453041181954970 1976-10-01 -0.02179875835407400 1977-01-01 -0.02907133044216600 1977-04-01 0.94700358912070200 1977-07-01 1.90504610755088000 1977-10-01 2.81828308627025000 1978-01-01 3.66387521552549000 1978-04-01 2.96528305539833000 1978-07-01 2.32717872955162000 1978-10-01 1.73411522283970000 1979-01-01 1.17362562300643000 1979-04-01 1.40560392248020000 1979-07-01 1.62830884041421000 1979-10-01 1.84052764885887000 1980-01-01 2.04126546601568000 1980-04-01 1.75086593456992000 1980-07-01 1.47546702578945000 1980-10-01 1.21230873953694000 1981-01-01 0.95897816741768700 1981-04-01 0.32175159486332200 1981-07-01 -0.30538334435730200 1981-10-01 -0.93433970065117400 1982-01-01 -1.57709604484125000 1982-04-01 -0.68362504260147600 1982-07-01 0.23673518532434900 1982-10-01 1.15905711788729000 1983-01-01 2.05808381593408000 1983-04-01 1.63247414535430000 1983-07-01 1.22831546729989000 1983-10-01 0.84005986063103500 1984-01-01 0.46282081585284600 1984-04-01 0.98408952089482700 1984-07-01 1.49279993939739000 1984-10-01 1.98152013679735000 1985-01-01 2.44377324029867000 1985-04-01 2.10283044499132000 1985-07-01 1.78269626823111000 1985-10-01 1.47949542380574000 1986-01-01 1.18991330718818000 1986-04-01 1.27167649780613000 1986-07-01 1.35026115679073000 1986-10-01 1.42556550148725000 1987-01-01 1.49751101349299000 1987-04-01 1.53525024705846000 1987-07-01 1.57096576509336000 1987-10-01 1.60468576627343000 1988-01-01 1.63644360149740000 1988-04-01 -0.51229463096216700 1988-07-01 -0.34060379717478300 1988-10-01 -0.07281340069681840 1989-01-01 0.35215968132148400 1989-04-01 0.96627206154736600 1989-07-01 1.36533250206915000 1989-10-01 1.47564715961756000 1990-01-01 1.53441641693455000 1990-04-01 1.57527335691085000 1990-07-01 1.47583221544657000 1990-10-01 1.49735476542779000 1991-01-01 1.59552654628982000 1991-04-01 1.58254291343958000 1991-07-01 1.78126323102395000 1991-10-01 1.96086802654532000 1992-01-01 1.88148854452726000 1992-04-01 1.63281220702025000 1992-07-01 1.13555396328618000 1992-10-01 0.64325034492402000 1993-01-01 0.38459534756899300 1993-04-01 0.31591343373687200 1993-07-01 0.39039195250109100 1993-10-01 0.48936219872309700 1994-01-01 0.50745514661572100 1994-04-01 0.44446074013772600 1994-07-01 0.39520462353735100 1994-10-01 0.50678124057785400 1995-01-01 0.65692920451541600 1995-04-01 0.64465048391260400 1995-07-01 0.63809706704566400 1995-10-01 0.68358379332188900 1996-01-01 0.70631132844253200 1996-04-01 0.79721851928956100 1996-07-01 0.79775972347500400 1996-10-01 0.52253769430377600 1997-01-01 0.18731007296781300 1997-04-01 -0.04066724739900880 1997-07-01 -0.14892996816900300 1997-10-01 -0.10709735330472700 1998-01-01 -0.04803906481584110 1998-04-01 0.08579614671388780 1998-07-01 0.26761317539774600 1998-10-01 0.26454501737845800 1999-01-01 0.20360711831159200 1999-04-01 0.12305636088241800 1999-07-01 -0.00555708235821431 1999-10-01 -0.09137142599462240 2000-01-01 -0.13587171376970800 2000-04-01 -0.14848128731042500 2000-07-01 -0.07850909674380790 2000-10-01 0.15391743879222000 2001-01-01 0.45562111188193800 2001-04-01 0.61893954914228600 2001-07-01 0.58950859744277100 2001-10-01 0.53650077098676400 2002-01-01 0.48373294607207000 2002-04-01 0.41002889772295700 2002-07-01 0.38071840367867900 2002-10-01 0.30652167157959000 2003-01-01 0.20581455553452600 2003-04-01 0.15929480272660000 2003-07-01 0.16685382278123900 2003-10-01 0.18799329467970700 2004-01-01 0.21727554362097800 2004-04-01 0.30060178241190300 2004-07-01 0.41442762076042900 2004-10-01 0.52400280561629200 2005-01-01 0.57506688005500000 2005-04-01 0.56557286065069000 2005-07-01 0.52213485123424200 2005-10-01 0.45671187140594800 2006-01-01 0.46553033911553200 2006-04-01 0.55194853707428600 2006-07-01 0.63772554948021800 2006-10-01 0.68177382022010100 2007-01-01 0.68146524303190400 2007-04-01 0.66794087890196600 2007-07-01 0.64392241522323500 2007-10-01 0.61328396702216000 2008-01-01 0.48524684276181400 2008-04-01 0.28901257898912600 2008-07-01 0.20746252897998400 2008-10-01 0.19738314641159000 2009-01-01 0.21302106190200700 2009-04-01 0.22380474086060500 2009-07-01 0.16712089192227600 2009-10-01 0.15024122749719000 2010-01-01 0.28256330232315600 2010-04-01 0.53309287186148500 2010-07-01 0.73117580735457200 2010-10-01 0.84515260308428000 2011-01-01 0.91048309644456100