Quarter Index 2010=1, Trend 1970-01-01 0.265549592407486 1970-04-01 0.268331840023176 1970-07-01 0.273896335070325 1970-10-01 0.282243077733163 1971-01-01 0.293372068011690 1971-04-01 0.301587293180890 1971-07-01 0.306888753424991 1971-10-01 0.309276448743995 1972-01-01 0.308750378953671 1972-04-01 0.310995276473918 1972-07-01 0.316011141304737 1972-10-01 0.323797973354012 1973-01-01 0.334355772621743 1973-04-01 0.342070098043264 1973-07-01 0.346940949342229 1973-10-01 0.348968326794984 1974-01-01 0.348152230217298 1974-04-01 0.350834454073567 1974-07-01 0.357014998455906 1974-10-01 0.366693863180085 1975-01-01 0.379871048430334 1975-04-01 0.390910304742462 1975-07-01 0.399811631932239 1975-10-01 0.406575030183894 1976-01-01 0.411200499405314 1976-04-01 0.416750265087133 1976-07-01 0.423224327229350 1976-10-01 0.430622685739850 1977-01-01 0.438945340710750 1977-04-01 0.449147666529763 1977-07-01 0.461229663289006 1977-10-01 0.475191330896363 1978-01-01 0.491032669351834 1978-04-01 0.487724655292418 1978-07-01 0.482547214874693 1978-10-01 0.482717009703272 1979-01-01 0.480695952936312 1979-04-01 0.470918950384885 1979-07-01 0.464339803640666 1979-10-01 0.463688143377670 1980-01-01 0.470507151742136 1980-04-01 0.488417771046075 1980-07-01 0.508701504060730 1980-10-01 0.525198784322640 1981-01-01 0.534848710289601 1981-04-01 0.542294490495263 1981-07-01 0.555371771619492 1981-10-01 0.571570329284618 1982-01-01 0.592484636502633 1982-04-01 0.616483261967941 1982-07-01 0.631652362767674 1982-10-01 0.636193224172740 1983-01-01 0.642904386982686 1983-04-01 0.654754089712208 1983-07-01 0.662280502815053 1983-10-01 0.666284088907933 1984-01-01 0.669177373711011 1984-04-01 0.666632892178333 1984-07-01 0.661633515380813 1984-10-01 0.659436303866630 1985-01-01 0.658895341570768 1985-04-01 0.663435282511898 1985-07-01 0.675403949436212 1985-10-01 0.685053415171205 1986-01-01 0.697001171667582 1986-04-01 0.718892601350913 1986-07-01 0.740289782924122 1986-10-01 0.760855367636679 1987-01-01 0.776898695084335 1987-04-01 0.787336351010889 1987-07-01 0.805058358536875 1987-10-01 0.825241432794817 1988-01-01 0.840338827146372 1988-04-01 0.851511442758156 1988-07-01 0.859243609036290 1988-10-01 0.868145131160228 1989-01-01 0.876236475798781 1989-04-01 0.873946296145088 1989-07-01 0.864858310847036 1989-10-01 0.858757366911237 1990-01-01 0.858023481527928 1990-04-01 0.861493469036434 1990-07-01 0.863918953042756 1990-10-01 0.863238450721780 1991-01-01 0.865686375843977 1991-04-01 0.874366102054890 1991-07-01 0.884470084676743 1991-10-01 0.890905533924338 1992-01-01 0.892320303659617 1992-04-01 0.891206714082911 1992-07-01 0.891701994189508 1992-10-01 0.890432073171765 1993-01-01 0.882180396022615 1993-04-01 0.870769952015936 1993-07-01 0.864187015729385 1993-10-01 0.863987482736570 1994-01-01 0.862535354728929 1994-04-01 0.857108749338892 1994-07-01 0.851299255309197 1994-10-01 0.847419175477578 1995-01-01 0.847005982037110 1995-04-01 0.847624765841002 1995-07-01 0.848407938350328 1995-10-01 0.842975189696809 1996-01-01 0.829778825153350 1996-04-01 0.822279567018598 1996-07-01 0.820302384844594 1996-10-01 0.818772098167342 1997-01-01 0.816190062218872 1997-04-01 0.811577445650267 1997-07-01 0.810321709776606 1997-10-01 0.814435720774200 1998-01-01 0.822109031203730 1998-04-01 0.831219073022698 1998-07-01 0.840075215505406 1998-10-01 0.849905898539269 1999-01-01 0.861282467421933 1999-04-01 0.866250490756388 1999-07-01 0.861680888570014 1999-10-01 0.859793732384083 2000-01-01 0.868000892666694 2000-04-01 0.878341846036684 2000-07-01 0.882169379940998 2000-10-01 0.884271964429412 2001-01-01 0.888990751000497 2001-04-01 0.892758063744101 2001-07-01 0.897917565370941 2001-10-01 0.906367320461977 2002-01-01 0.910778529778332 2002-04-01 0.912203815621781 2002-07-01 0.917221223512976 2002-10-01 0.919206441157662 2003-01-01 0.917043875239396 2003-04-01 0.915812673960172 2003-07-01 0.911938172037446 2003-10-01 0.903614574348925 2004-01-01 0.898179301470489 2004-04-01 0.899477076137167 2004-07-01 0.900496256625248 2004-10-01 0.902825284215779 2005-01-01 0.907059820863700 2005-04-01 0.903537369474813 2005-07-01 0.896127565563626 2005-10-01 0.885086235287147 2006-01-01 0.867117063964621 2006-04-01 0.855165355114046 2006-07-01 0.852071454042352 2006-10-01 0.857188037435700 2007-01-01 0.873951026663088 2007-04-01 0.894110109887469 2007-07-01 0.908498661115497 2007-10-01 0.916192648652023 2008-01-01 0.924362286568423 2008-04-01 0.941315486206811 2008-07-01 0.963675257683807 2008-10-01 0.981759992099702 2009-01-01 0.992054883813400 2009-04-01 0.992089512743535 2009-07-01 0.986845763026895 2009-10-01 0.986128320360078 2010-01-01 0.990693712513632 2010-04-01 0.997531931396314 2010-07-01 1.003699862800140 2010-10-01 1.008074493289920 2011-01-01 1.009332688007350 2011-04-01 1.007994415491460