Quarterly Index 2010=1, Trend
1970-07-01 0.0912410798822130
1970-10-01 0.0921001533257140
1971-01-01 0.0938183001147030
1971-04-01 0.0963955203471929
1971-07-01 0.0998318140231838
1971-10-01 0.1028277026286710
1972-01-01 0.1053831861636560
1972-04-01 0.1074982647261500
1972-07-01 0.1091729381201280
1972-10-01 0.1115654081853620
1973-01-01 0.1146756747258250
1973-04-01 0.1185037379375430
1973-07-01 0.1230495977225040
1973-10-01 0.1280796248167900
1974-01-01 0.1335938193184160
1974-04-01 0.1395921811293670
1974-07-01 0.1460747102496450
1974-10-01 0.1525496015240680
1975-01-01 0.1590168549526370
1975-04-01 0.1654764705353510
1975-07-01 0.1719284482722110
1975-10-01 0.1784174457492480
1976-01-01 0.1849434628684480
1976-04-01 0.1915064997278250
1976-07-01 0.1981065563273780
1976-10-01 0.2034369320776760
1977-01-01 0.2074976268807080
1977-04-01 0.2102886409324980
1977-07-01 0.2118099740370210
1977-10-01 0.2134581659323620
1978-01-01 0.2152332164224950
1978-04-01 0.2171351256054330
1978-07-01 0.2191638934811760
1978-10-01 0.2213255155925890
1979-01-01 0.2236199918416570
1979-04-01 0.2260473224244080
1979-07-01 0.2286075071448150
1979-10-01 0.2328802171283080
1980-01-01 0.2388654524729020
1980-04-01 0.2465632130805820
1980-07-01 0.2559734989513490
1980-10-01 0.2629704498835060
1981-01-01 0.2675540658770530
1981-04-01 0.2697243468339760
1981-07-01 0.2694812928522900
1981-10-01 0.2774561007416480
1982-01-01 0.2936487703060250
1982-04-01 0.3180593018394600
1982-07-01 0.3506876950479140
1982-10-01 0.3742909444897450
1983-01-01 0.3888690499689280
1983-04-01 0.3944220116814870
1983-07-01 0.3909498295294120
1983-10-01 0.3967455654466830
1984-01-01 0.4056988124503210
1984-04-01 0.4142879800900580
1984-07-01 0.4211524560102850
1984-10-01 0.4275810692343880
1985-01-01 0.4337511030355480
1985-04-01 0.4396108531191830
1985-07-01 0.4447211587892070
1985-10-01 0.4512652586741820
1986-01-01 0.4564133941165030
1986-04-01 0.4583849941251610
1986-07-01 0.4601466025822260
1986-10-01 0.4577269884023830
1987-01-01 0.4549249800771300
1987-04-01 0.4622745375761460
1987-07-01 0.4770255912443960
1987-10-01 0.4899484583228270
1988-01-01 0.4995155029115390
1988-04-01 0.5149168794178460
1988-07-01 0.5403686603322070
1988-10-01 0.5644405302469090
1989-01-01 0.5776125669530010
1989-04-01 0.5870397382251360
1989-07-01 0.6042840695616170
1989-10-01 0.6320032093518860
1990-01-01 0.6663254524485310
1990-04-01 0.6896927312642010
1990-07-01 0.6848881080802080
1990-10-01 0.6702533652508770
1991-01-01 0.6571924431986820
1991-04-01 0.6434197313673370
1991-07-01 0.6422612461018760
1991-10-01 0.6509298632174380
1992-01-01 0.6599189529516160
1992-04-01 0.6638759193178510
1992-07-01 0.6631973773961760
1992-10-01 0.6656596749843380
1993-01-01 0.6678786301411780
1993-04-01 0.6689277083466320
1993-07-01 0.6650982938351910
1993-10-01 0.6558016079765830
1994-01-01 0.6623511126666480
1994-04-01 0.6790766509667160
1994-07-01 0.6783961001110540
1994-10-01 0.6829675916570440
1995-01-01 0.7059800244784810
1995-04-01 0.7253151178034660
1995-07-01 0.7370850100193380
1995-10-01 0.7403731314337160
1996-01-01 0.7429172789162620
1996-04-01 0.7502675485566210
1996-07-01 0.7551902725912260
1996-10-01 0.7519860357607810
1997-01-01 0.7427886491911170
1997-04-01 0.7458162247452480
1997-07-01 0.7638047515114120
1997-10-01 0.7825759756997750
1998-01-01 0.7948192358639620
1998-04-01 0.7957855253847270
1998-07-01 0.7943262614926070
1998-10-01 0.7963166965451650
1999-01-01 0.7916734474225170
1999-04-01 0.7887161381978930
1999-07-01 0.7969155636298300
1999-10-01 0.8026985853129690
2000-01-01 0.7975717999453660
2000-04-01 0.7961719721681220
2000-07-01 0.8113560039093350
2000-10-01 0.8278052815918240
2001-01-01 0.8304867345612240
2001-04-01 0.8234123559461010
2001-07-01 0.8156446053555920
2001-10-01 0.8159807476593020
2002-01-01 0.8243683999035350
2002-04-01 0.8343293423602860
2002-07-01 0.8323098370027230
2002-10-01 0.8291170536715570
2003-01-01 0.8402755899298160
2003-04-01 0.8496917867561610
2003-07-01 0.8597012127742280
2003-10-01 0.8731241769252180
2004-01-01 0.8709806791317950
2004-04-01 0.8641493944068020
2004-07-01 0.8729647396822810
2004-10-01 0.9002643934517480
2005-01-01 0.9313568798174310
2005-04-01 0.9428525924652910
2005-07-01 0.9467732988608500
2005-10-01 0.9506865438695400
2006-01-01 0.9578761399998940
2006-04-01 0.9803467259796440
2006-07-01 1.0033546618796200
2006-10-01 1.0182548351119000
2007-01-01 1.0446104212611600
2007-04-01 1.0787339048076400
2007-07-01 1.0936782166376000
2007-10-01 1.0953618939093300
2008-01-01 1.0951253445079900
2008-04-01 1.0921182896994200
2008-07-01 1.0784386777927800
2008-10-01 1.0530141874739600
2009-01-01 1.0241523634567000
2009-04-01 1.0006024802683400
2009-07-01 0.9906891984826360
2009-10-01 0.9881487391968450
2010-01-01 0.9914602994621760
2010-04-01 0.9998267072295040
2010-07-01 1.0037663452523300
2010-10-01 1.0049466480559900
2011-01-01 0.9988582375002520
2011-04-01 0.9873918089285780
2011-07-01 0.9845482285475890