Quarterly Index 2010=1, Trend
1970-01-01 0.0915473620348593
1970-04-01 0.0920817123486346
1970-07-01 0.0931504128907271
1970-10-01 0.0947534638320528
1971-01-01 0.0968908650871536
1971-04-01 0.0987551115725728
1971-07-01 0.1003462032883100
1971-10-01 0.1016641403198240
1972-01-01 0.1027089224961990
1972-04-01 0.1040165942472990
1972-07-01 0.1055871554022110
1972-10-01 0.1074206061318480
1973-01-01 0.1095169463507540
1973-04-01 0.1124589387481070
1973-07-01 0.1162465834093630
1973-10-01 0.1208798802490660
1974-01-01 0.1263588293526720
1974-04-01 0.1343263274873120
1974-07-01 0.1447823745675260
1974-10-01 0.1577269705933160
1975-01-01 0.1731601156501380
1975-04-01 0.1859867455117020
1975-07-01 0.1962068602634660
1975-10-01 0.2038204598199720
1976-01-01 0.2088275441812210
1976-04-01 0.2141724457509600
1976-07-01 0.2198551644437310
1976-10-01 0.2258757004304500
1977-01-01 0.2322340535402020
1977-04-01 0.2380390098360890
1977-07-01 0.2432905692326520
1977-10-01 0.2479887317298910
1978-01-01 0.2521334974132650
1978-04-01 0.2571711620056390
1978-07-01 0.2631017255924710
1978-10-01 0.2699251881737620
1979-01-01 0.2776415497495110
1979-04-01 0.2898981652651200
1979-07-01 0.3066950348060460
1979-10-01 0.3280321583722890
1980-01-01 0.3539095358783910
1980-04-01 0.3753465705905530
1980-07-01 0.3923432624233160
1980-10-01 0.4048996114621370
1981-01-01 0.4130156177070180
1981-04-01 0.4208839216015040
1981-07-01 0.4285045232310530
1981-10-01 0.4358774224247490
1982-01-01 0.4430026193535080
1982-04-01 0.4492138472316800
1982-07-01 0.4545111060592640
1982-10-01 0.4588943959217190
1983-01-01 0.4623637167335870
1983-04-01 0.4665085124699940
1983-07-01 0.4708700803739250
1983-10-01 0.4764690737913810
1984-01-01 0.4840829877601320
1984-04-01 0.4929105180895870
1984-07-01 0.4982377683112400
1984-10-01 0.4990871456393550
1985-01-01 0.5006383662662240
1985-04-01 0.5038704581724860
1985-07-01 0.5075105766956170
1985-10-01 0.5098914047819470
1986-01-01 0.5084790209976130
1986-04-01 0.5066061764931030
1986-07-01 0.5068986110045310
1986-10-01 0.5070941568987240
1987-01-01 0.5044654690036320
1987-04-01 0.5005330927172130
1987-07-01 0.5014662781218580
1987-10-01 0.5108601000663010
1988-01-01 0.5274752653983350
1988-04-01 0.5425769222650370
1988-07-01 0.5482890215307620
1988-10-01 0.5524139908391100
1989-01-01 0.5653071172416200
1989-04-01 0.5831583011719820
1989-07-01 0.5998471704785250
1989-10-01 0.6131785886711310
1990-01-01 0.6248559765569330
1990-04-01 0.6432195144614640
1990-07-01 0.6681395281657840
1990-10-01 0.6839368657127500
1991-01-01 0.6883271681510110
1991-04-01 0.7022454561554210
1991-07-01 0.7217722725502960
1991-10-01 0.7306693002485210
1992-01-01 0.7365419056787830
1992-04-01 0.7471343734164450
1992-07-01 0.7638135757780350
1992-10-01 0.7736759487941950
1993-01-01 0.7693605616443640
1993-04-01 0.7707349080505830
1993-07-01 0.7844372746351850
1993-10-01 0.7908437596064640
1994-01-01 0.7785909269086480
1994-04-01 0.7653357661120190
1994-07-01 0.7619901029207190
1994-10-01 0.7640395518103850
1995-01-01 0.7700591162493890
1995-04-01 0.7699229565520190
1995-07-01 0.7655811267020770
1995-10-01 0.7624428574219760
1996-01-01 0.7536709096693650
1996-04-01 0.7509000019723330
1996-07-01 0.7618154144854030
1996-10-01 0.7669797170615420
1997-01-01 0.7617560589249240
1997-04-01 0.7640607120977430
1997-07-01 0.7680525075739720
1997-10-01 0.7659761151977970
1998-01-01 0.7699180382404350
1998-04-01 0.7798806663367420
1998-07-01 0.7842832115295230
1998-10-01 0.7848304037404690
1999-01-01 0.7887261719520670
1999-04-01 0.7932861290386080
1999-07-01 0.7984220234753140
1999-10-01 0.8065653546837010
2000-01-01 0.8107632679495560
2000-04-01 0.8086281021034440
2000-07-01 0.8112528614765370
2000-10-01 0.8205845211000330
2001-01-01 0.8324162218955350
2001-04-01 0.8427849877602530
2001-07-01 0.8488908653860960
2001-10-01 0.8459509522956200
2002-01-01 0.8419150699415930
2002-04-01 0.8511064728458270
2002-07-01 0.8553985704823690
2002-10-01 0.8518680499460810
2003-01-01 0.8538757792047080
2003-04-01 0.8561625537139730
2003-07-01 0.8617926112062490
2003-10-01 0.8688260324360990
2004-01-01 0.8622306897202560
2004-04-01 0.8480680226671270
2004-07-01 0.8464997246349400
2004-10-01 0.8513096106618070
2005-01-01 0.8526130433574910
2005-04-01 0.8551548383318430
2005-07-01 0.8531566805741750
2005-10-01 0.8530265621282410
2006-01-01 0.8578427168224830
2006-04-01 0.8574748084985010
2006-07-01 0.8606861101101780
2006-10-01 0.8645134155187870
2007-01-01 0.8670845294746550
2007-04-01 0.8768930897520160
2007-07-01 0.8860408782851460
2007-10-01 0.8964356426229830
2008-01-01 0.9095547002816480
2008-04-01 0.9202428441443020
2008-07-01 0.9360240398727730
2008-10-01 0.9563137083111550
2009-01-01 0.9756837656020670
2009-04-01 0.9893318976089750
2009-07-01 0.9869162925585580
2009-10-01 0.9879487114390990
2010-01-01 1.0029577852732600
2010-04-01 1.0037310242158200
2010-07-01 0.9976948525215490
2010-10-01 0.9956163379893700
2011-01-01 0.9863822539442140