year,quarter,luc_ipd_cumtight
1947,1,
1947,2,
1947,3,
1947,4,
1948,1,-.86823529
1948,2,-.85939807
1948,3,-.84441948
1948,4,-.8004486
1949,1,-.78513241
1949,2,-.79185432
1949,3,-.76701146
1949,4,-.78092414
1950,1,-.67633218
1950,2,-.60650826
1950,3,-.55808055
1950,4,-.52465641
1951,1,-.54051489
1951,2,-.49293733
1951,3,-.44965148
1951,4,-.43843383
1952,1,-.41048244
1952,2,-.39615008
1952,3,-.37791651
1952,4,-.28790173
1953,1,-.23587477
1953,2,-.20906699
1953,3,-.20064349
1953,4,-.20418552
1954,1,-.2080826
1954,2,-.20677604
1954,3,-.17554545
1954,4,-.12409364
1955,1,-.080921821
1955,2,-.038284615
1955,3,.017715957
1955,4,.038234636
1956,1,.075928383
1956,2,.11255838
1956,3,.12310105
1956,4,.15744469
1957,1,.17977031
1957,2,.18098387
1957,3,.19718479
1957,4,.20120244
1958,1,.13880458
1958,2,.13643831
1958,3,.21188813
1958,4,.24750939
1959,1,.29002246
1959,2,.33403885
1959,3,.33306256
1959,4,.34328619
1960,1,.4155902
1960,2,.41349962
1960,3,.42453173
1960,4,.40304959
1961,1,.41846049
1961,2,.46578544
1961,3,.49158946
1961,4,.52771425
1962,1,.5761416
1962,2,.59494257
1962,3,.61313808
1962,4,.63327539
1963,1,.6569562
1963,2,.67708319
1963,3,.70537603
1963,4,.73297107
1964,1,.74151772
1964,2,.7767691
1964,3,.81721437
1964,4,.82928675
1965,1,.85455298
1965,2,.87131906
1965,3,.91082293
1965,4,.95726609
1966,1,1.0006356
1966,2,1.0244066
1966,3,1.0471214
1966,4,1.0693326
1967,1,1.1031048
1967,2,1.1280564
1967,3,1.1453849
1967,4,1.1595789
1968,1,1.2181296
1968,2,1.2503684
1968,3,1.2656308
1968,4,1.2904186
1969,1,1.3089844
1969,2,1.3151251
1969,3,1.3310336
1969,4,1.3380008
1970,1,1.3376529
1970,2,1.3385749
1970,3,1.3558469
1970,4,1.3305104
1971,1,1.3799846
1971,2,1.3989927
1971,3,1.414163
1971,4,1.4178696
1972,1,1.4794571
1972,2,1.5137829
1972,3,1.5367626
1972,4,1.5746629
1973,1,1.62524
1973,2,1.6209804
1973,3,1.6139393
1973,4,1.612883
1974,1,1.5892169
1974,2,1.5906595
1974,3,1.5837116
1974,4,1.5649009
1975,1,1.5586509
1975,2,1.5802171
1975,3,1.5925465
1975,4,1.6023726
1976,1,1.6458162
1976,2,1.6779428
1976,3,1.6938877
1976,4,1.7170075
1977,1,1.7324499
1977,2,1.7612331
1977,3,1.7937251
1977,4,1.8050522
1978,1,1.7986163
1978,2,1.832624
1978,3,1.8397901
1978,4,1.8489816
1979,1,1.8467128
1979,2,1.8519999
1979,3,1.871967
1979,4,1.9090884
1980,1,1.9610126
1980,2,1.9764439
1980,3,1.9931073
1980,4,2.0398762
1981,1,2.0619624
1981,2,2.066994
1981,3,2.0697618
1981,4,2.0328658
1982,1,1.9978021
1982,2,1.9610113
1982,3,1.921737
1982,4,1.8910697
1983,1,1.8958739
1983,2,1.912912
1983,3,1.9425066
1983,4,1.9899476
1984,1,2.0366988
1984,2,2.0585184
1984,3,2.0583673
1984,4,2.0319519
1985,1,1.9864111
1985,2,1.9713035
1985,3,1.9973506
1985,4,2.0566068
1986,1,2.1448121
1986,2,2.2121434
1986,3,2.2546105
1986,4,2.2746537
1987,1,2.2600498
1987,2,2.2585094
1987,3,2.2621813
1987,4,2.2781553
1988,1,2.2974529
1988,2,2.3185704
1988,3,2.3381584
1988,4,2.3662744
1989,1,2.3944921
1989,2,2.4075215
1989,3,2.4270191
1989,4,2.4503791
1990,1,2.4799342
1990,2,2.5070782
1990,3,2.5072863
1990,4,2.4958291
1991,1,2.4933286
1991,2,2.4889681
1991,3,2.4687793
1991,4,2.4288919
1992,1,2.3852525
1992,2,2.3630219
1992,3,2.3772988
1992,4,2.4238906
1993,1,2.4917233
1993,2,2.5461249
1993,3,2.5748389
1993,4,2.585089
1994,1,2.5602818
1994,2,2.5681241
1994,3,2.5767374
1994,4,2.612365
1995,1,2.6554928
1995,2,2.6662536
1995,3,2.6614592
1995,4,2.6402905
1996,1,2.5967712
1996,2,2.5796275
1996,3,2.5848475
1996,4,2.6045418
1997,1,2.6549251
1997,2,2.7080808
1997,3,2.7525301
1997,4,2.804172
1998,1,2.8503809
1998,2,2.8889346
1998,3,2.9196866
1998,4,2.9396181
1999,1,2.9649749
1999,2,2.9726722
1999,3,2.9836478
1999,4,3.0090809
2000,1,3.0384429
2000,2,3.0518799
2000,3,3.0732131
2000,4,3.0946803
2001,1,3.1312218
2001,2,3.138273
2001,3,3.1347063
2001,4,3.1274269
2002,1,3.1171961
2002,2,3.1185818
2002,3,3.1291149
2002,4,3.1426513
2003,1,3.1624374
2003,2,3.2020297
2003,3,3.2407067
2003,4,3.2888463
2004,1,3.3177378
2004,2,3.3634529
2004,3,3.3941052
2004,4,3.402128
2005,1,3.4096081
2005,2,3.4177191
2005,3,3.4260955
2005,4,3.4288051
2006,1,3.3895376
2006,2,3.3741915
2006,3,3.3564579
2006,4,3.4157341
2007,1,3.4506292
2007,2,3.4306159
2007,3,3.4279215
2007,4,3.4268067
2008,1,3.4177077
2008,2,3.3899841
2008,3,3.3642404
2008,4,3.4165454
2009,1,3.3474929
2009,2,3.3787975
2009,3,3.3731456
2009,4,3.3732817
2010,1,3.3572066
2010,2,3.3957808
2010,3,3.4062099
2010,4,3.4031756
2011,1,3.4208999
2011,2,3.3882718
2011,3,3.3908463
2011,4,3.3644156
2012,1,3.4142022
2012,2,3.4278972
2012,3,3.4224684
2012,4,3.4692087
2013,1,3.4104993
2013,2,3.4521606
2013,3,3.4540219
2013,4,3.4693375
2014,1,3.4912157
2014,2,3.4863131
2014,3,3.5103741
2014,4,3.5433862
2015,1,3.5745738
2015,2,3.5998385
2015,3,3.6124129
2015,4,3.6337159
2016,1,3.661989