Quarter Index 2010=1 1955-01-01 0.179264880564056 1955-04-01 0.185737244960789 1955-07-01 0.197701312482022 1955-10-01 0.192405741611968 1956-01-01 0.188679228777486 1956-04-01 0.199074238263147 1956-07-01 0.204173676878755 1956-10-01 0.203585280115416 1957-01-01 0.197505180227576 1957-04-01 0.197701312482022 1957-07-01 0.210057644512149 1957-10-01 0.200839428553165 1958-01-01 0.180049409581842 1958-04-01 0.191032815830843 1958-07-01 0.199662635026487 1958-10-01 0.194367064156433 1959-01-01 0.192798006120861 1959-04-01 0.237123895625759 1959-07-01 0.258502311360422 1959-10-01 0.264778543502708 1960-01-01 0.252029946963689 1960-04-01 0.264974675757155 1960-07-01 0.272427701426120 1960-10-01 0.258110046851529 1961-01-01 0.253402872744814 1961-04-01 0.256540988815957 1961-07-01 0.253402872744814 1961-10-01 0.243400127768045 1962-01-01 0.258698443614868 1962-04-01 0.272035436917227 1962-07-01 0.270074114372763 1962-10-01 0.264386278993816 1963-01-01 0.246930508348081 1963-04-01 0.282038181893996 1963-07-01 0.285764694728479 1963-10-01 0.294002249415230 1964-01-01 0.305770184682017 1964-04-01 0.325971806890001 1964-07-01 0.317930384457696 1964-10-01 0.314400003877660 1965-01-01 0.306750845954249 1965-04-01 0.319695574747715 1965-07-01 0.321068500528840 1965-10-01 0.315184532895446 1966-01-01 0.325187277872215 1966-04-01 0.336170684121216 1966-07-01 0.324795013363322 1966-10-01 0.314596136132107 1967-01-01 0.318518781221036 1967-04-01 0.335386155103431 1967-07-01 0.339308800192360 1967-10-01 0.348723148405789 1968-01-01 0.368336373850434 1968-04-01 0.396187153981830 1968-07-01 0.411093205319761 1968-10-01 0.422468876077655 1969-01-01 0.441689837013407 1969-04-01 0.456988152860230 1969-07-01 0.458753343150248 1969-10-01 0.457576549623569 1970-01-01 0.443847291812318 1970-04-01 0.460714665694713 1970-07-01 0.449535127191265 1970-10-01 0.458164946386909 1971-01-01 0.433256150072209 1971-04-01 0.457184285114677 1971-07-01 0.447769936901247 1971-10-01 0.451300317481283 1972-01-01 0.465814104310320 1972-04-01 0.489153842589448 1972-07-01 0.464245046274749 1972-10-01 0.511512919596343 1973-01-01 0.550150973722294 1973-04-01 0.543482477071115 1973-07-01 0.530145483768756 1973-10-01 0.544659270597793 1974-01-01 0.561722776734635 1974-04-01 0.553877486556777 1974-07-01 0.516023961448612 1974-10-01 0.459145607659141 1975-01-01 0.455419094824658 1975-04-01 0.469148352635910 1975-07-01 0.459930136676927 1975-10-01 0.501510174619574 1976-01-01 0.544855402852240 1976-04-01 0.537990773946614 1976-07-01 0.494253281205056 1976-10-01 0.505432819708503 1977-01-01 0.516023961448612 1977-04-01 0.520731135555327 1977-07-01 0.492291958660591 1977-10-01 0.515043300176379 1978-01-01 0.522888590354238 1978-04-01 0.545639931870026 1978-07-01 0.527007367697613 1978-10-01 0.542305683544436 1979-01-01 0.566233818586903 1979-04-01 0.590161953629370 1979-07-01 0.564468628296885 1979-10-01 0.565645421823564 1980-01-01 0.608402253292890 1980-04-01 0.573098447492529 1980-07-01 0.515827829194165 1980-10-01 0.529557087005417 1981-01-01 0.570744860439171 1981-04-01 0.565841554078010 1981-07-01 0.530930012786542 1981-10-01 0.527007367697613 1982-01-01 0.546032196378919 1982-04-01 0.517985283993076 1982-07-01 0.480524023393804 1982-10-01 0.496999132767306 1983-01-01 0.532891335331006 1983-04-01 0.540148228745525 1983-07-01 0.536813980419935 1983-10-01 0.575059770036993 1984-01-01 0.607813856529551 1984-04-01 0.581532134433726 1984-07-01 0.554269751065670 1984-10-01 0.582512795705958 1985-01-01 0.606244798493979 1985-04-01 0.592515540682727 1985-07-01 0.574275241019207 1985-10-01 0.580551473161494 1986-01-01 0.584866382759316 1986-04-01 0.597026582534996 1986-07-01 0.574471373273654 1986-10-01 0.570940992693618 1987-01-01 0.588985160102691 1987-04-01 0.589573556866031 1987-07-01 0.590750350392709 1987-10-01 0.609971311328462 1988-01-01 0.647824836436627 1988-04-01 0.643902191347697 1988-07-01 0.624092833648606 1988-10-01 0.636841430187625 1989-01-01 0.665672871591254 1989-04-01 0.677440806858041 1989-07-01 0.630565198045339 1989-10-01 0.639587281749876 1990-01-01 0.686462890562577 1990-04-01 0.662927020029003 1990-07-01 0.653316539561127 1990-10-01 0.663907681301235 1991-01-01 0.712934283779549 1991-04-01 0.673195018377527 1991-07-01 0.641759480074436 1991-10-01 0.654808194087040 1992-01-01 0.726279559474257 1992-04-01 0.655994440815458 1992-07-01 0.618924230552379 1992-10-01 0.599647721215577 1993-01-01 0.637607616524971 1993-04-01 0.606765201586089 1993-07-01 0.596385542712426 1993-10-01 0.611806750181867 1994-01-01 0.690395595939596 1994-04-01 0.673195018377527 1994-07-01 0.669932839874376 1994-10-01 0.704037433316410 1995-01-01 0.741997328625803 1995-04-01 0.676457196880678 1995-07-01 0.636421369796552 1995-10-01 0.623965779148158 1996-01-01 0.678236566973306 1996-04-01 0.650063207173366 1996-07-01 0.658070372590191 1996-10-01 0.662815359503865 1997-01-01 0.709375543594293 1997-04-01 0.733990163208978 1997-07-01 0.719458640785851 1997-10-01 0.728948614613199 1998-01-01 0.763349769737337 1998-04-01 0.730134861341618 1998-07-01 0.703147748270096 1998-10-01 0.692768089396433 1999-01-01 0.733100478162664 1999-04-01 0.727465806202676 1999-07-01 0.753266672545780 1999-10-01 0.794488746358324 2000-01-01 0.846090479044531 2000-04-01 0.826813969707730 2000-07-01 0.831262394939299 2000-10-01 0.821772421111951 2001-01-01 0.846683602408740 2001-04-01 0.791523129537278 2001-07-01 0.752970110863675 2001-10-01 0.746149192175268 2002-01-01 0.801013103364626 2002-04-01 0.807537460370928 2002-07-01 0.783515964120453 2002-10-01 0.782626279074139 2003-01-01 0.825627722979311 2003-04-01 0.778177853842569 2003-07-01 0.788557512716231 2003-10-01 0.819399927655114 2004-01-01 0.888202237903390 2004-04-01 0.865070426699228 2004-07-01 0.848166410819264 2004-10-01 0.849056095865578 2005-01-01 0.871927339388384 2005-04-01 0.883259728355970 2005-07-01 0.888259311724023 2005-10-01 0.915590367469378 2006-01-01 0.990584117990168 2006-04-01 0.973252228980918 2006-07-01 0.963586367802683 2006-10-01 0.992250645779518 2007-01-01 1.077243563036410 2007-04-01 1.042913090575790 2007-07-01 1.020248312640610 2007-10-01 1.073910507457710 2008-01-01 1.099908340971590 2008-04-01 1.091575702024830 2008-07-01 1.006582784767940 2008-10-01 0.843263061411549 2009-01-01 0.749937505207899 2009-04-01 0.789600866594451 2009-07-01 0.864261311557370 2009-10-01 0.890592450629114 2010-01-01 0.984251312390634 2010-04-01 1.013915507041080 2010-07-01 0.995917006916090 2010-10-01 1.005916173652200 2011-01-01 1.119240063328060 2011-04-01 1.069244229647530 2011-07-01 1.031580701608200 2011-10-01 0.976585284559620 2012-01-01 1.070910757436880 2012-04-01 1.006582784767940 2012-07-01 0.961919840013332 2012-10-01 0.945921173235564 2013-01-01 1.014582118156820 2013-04-01 1.004249645862840 2013-07-01 0.983584701274894