DATE,BERK,vwretd,riskfree
19750131,0.00000,0.14150,0.005824
19750228,-0.03448,0.05842,0.004348
19750331,0.02857,0.03019,0.004135
19750430,0.07143,0.04649,0.004377
19750530,0.00000,0.05514,0.004356
19750630,0.06167,0.05147,0.004089
19750731,0.09677,-0.06039,0.004846
19750829,0.00000,-0.02356,0.004805
19750930,0.09853,-0.03801,0.005267
19751031,0.08219,0.05586,0.005556
19751128,-0.07595,0.03122,0.004097
19751231,-0.05890,-0.01100,0.00485
19760130,0.05970,0.12601,0.004681
19760227,0.02817,0.00731,0.003372
19760331,0.02466,0.02680,0.004017
19760430,0.02740,-0.01039,0.004194
19760528,0.00000,-0.00937,0.003744
19760630,0.05067,0.04449,0.004348
19760730,0.00000,-0.00616,0.004656
19760831,0.02597,-0.00143,0.004208
19760930,0.04810,0.02448,0.004368
19761029,0.00000,-0.02037,0.004084
19761130,0.00000,0.00536,0.003963
19761231,0.07160,0.06160,0.004043
19770131,0.00000,-0.03634,0.003594
19770228,-0.09412,-0.01576,0.003515
19770331,0.03636,-0.00925,0.003764
19770429,0.00000,0.00495,0.003755
19770531,0.01282,-0.01079,0.003714
19770630,0.04962,0.05137,0.003986
19770729,0.04938,-0.01281,0.004169
19770831,0.02353,-0.01335,0.004415
19770930,0.09103,0.00157,0.004333
19771031,0.00000,-0.03928,0.004927
19771130,-0.02151,0.04543,0.005001
19771230,0.02198,0.00822,0.004867
19780131,0.00000,-0.05520,0.004893
19780228,0.00000,-0.00927,0.004598
19780331,0.04396,0.03401,0.005288
19780428,0.00000,0.08284,0.005357
19780531,0.00000,0.02324,0.005088
19780630,0.02151,-0.01075,0.005369
19780731,0.00000,0.05675,0.005591
19780831,0.00000,0.04235,0.00555
19780929,0.00000,-0.00689,0.0062
19781031,-0.10989,-0.11100,0.006807
19781130,0.00000,0.03379,0.007
19781229,0.05086,0.01771,0.007824
19790131,0.00000,0.04949,0.007716
19790228,0.00000,-0.02677,0.007338
19790330,0.02554,0.06562,0.008132
19790430,0.00000,0.00852,0.007958
19790531,0.00000,-0.01358,0.00816
19790629,0.02699,0.04685,0.008104
19790731,0.07229,0.01499,0.007658
19790831,0.02247,0.06473,0.007671
19790928,0.13451,0.00143,0.008291
19791031,0.00000,-0.07266,0.008724
19791130,0.03960,0.06360,0.00987
19791231,0.20381,0.02821,0.009512
19800131,0.00000,0.06561,0.007968
19800229,0.00000,0.00101,0.008858
19800331,-0.02839,-0.12022,0.012054
19800430,0.00000,0.05229,0.012556
19800530,0.00000,0.06009,0.008095
19800630,0.02102,0.03771,0.006112
19800731,0.01695,0.06944,0.005281
19800829,0.05000,0.02355,0.006388
19800930,0.00476,0.02949,0.007534
19801031,0.27419,0.02008,0.009505
19801128,-0.17722,0.10492,0.00957
19801231,-0.07231,-0.03441,0.013068
19810130,0.07627,-0.04011,0.01037
19810227,0.00000,0.01552,0.010691
19810331,0.01449,0.04618,0.012077
19810430,-0.03175,-0.01126,0.010756
19810529,0.00000,0.01355,0.011544
19810630,0.02328,-0.01023,0.013475
19810731,0.00000,-0.00307,0.012398
19810831,-0.01639,-0.05628,0.012804
19810930,0.02667,-0.06377,0.012441
19811030,0.00000,0.06018,0.012054
19811130,0.00000,0.04584,0.010676
19811231,0.02667,-0.02810,0.008738
19820129,0.00000,-0.02621,0.007958
19820226,0.00000,-0.05113,0.009237
19820331,0.02667,-0.01009,0.009802
19820430,0.00000,0.04327,0.011292
19820528,-0.00833,-0.02821,0.010586
19820630,0.01143,-0.02391,0.009573
19820730,0.00427,-0.02053,0.010507
19820831,0.00000,0.11901,0.007623
19820930,0.02434,0.01676,0.005118
19821029,0.02564,0.11864,0.005901
19821130,0.06667,0.05193,0.006342
19821231,0.07438,0.01452,0.006738
19830131,0.00746,0.04184,0.006864
19830228,0.00000,0.03021,0.006186
19830331,0.11496,0.03469,0.006326
19830429,-0.00680,0.07419,0.00714
19830531,0.00685,0.01322,0.006907
19830630,0.02395,0.03784,0.006661
19830729,0.00000,-0.03156,0.007402
19830831,-0.00680,0.00347,0.007616
19830930,0.01041,0.01606,0.007607
19831031,0.02083,-0.02805,0.007611
19831130,-0.00680,0.02955,0.007035
19831230,0.03315,-0.01047,0.007269
19840131,0.00680,-0.01302,0.0076
19840229,-0.01351,-0.03907,0.007137
19840330,0.02630,0.01339,0.00728
19840430,0.01370,0.00254,0.008139
19840531,0.00000,-0.05234,0.007837
19840629,0.02595,0.02338,0.007534
19840731,0.00000,-0.02062,0.008185
19840831,0.00676,0.11268,0.008306
19840928,0.06040,0.00041,0.008589
19841031,0.02597,-0.00008,0.009957
19841130,0.01266,-0.01068,0.007334
19841231,0.03750,0.02366,0.006426
19850131,0.04938,0.08572,0.006474
19850228,-0.03529,0.01690,0.005781
19850329,0.02439,-0.00174,0.00616
19850430,0.12195,-0.00219,0.007162
19850531,0.02174,0.05578,0.006634
19850628,0.00128,0.01708,0.005546
19850731,0.02174,-0.00025,0.006246
19850830,0.00000,-0.00480,0.005502
19850930,0.02255,-0.03982,0.006049
19851031,0.00000,0.04444,0.006488
19851129,0.02128,0.06923,0.006082
19851231,-0.04042,0.04313,0.006504
19860131,0.06667,0.00983,0.00559
19860228,0.04167,0.07255,0.005296
19860331,0.13120,0.05396,0.005954
19860430,0.04505,-0.00790,0.005208
19860530,0.01724,0.05080,0.004934
19860630,0.12034,0.01424,0.005246
19860731,0.01538,-0.05970,0.0052
19860829,0.15152,0.06618,0.0046
19860930,0.01447,-0.07902,0.0045
19861031,-0.07237,0.04931,0.004645
19861128,0.04965,0.01508,0.003904
19861231,0.01541,-0.02639,0.004874
19870130,-0.02703,0.12848,0.004151
19870227,0.02778,0.04790,0.004314
19870331,-0.02514,0.02364,0.004706
19870430,0.05634,-0.01701,0.004441
19870529,-0.04667,0.00513,0.00376
19870630,0.03804,0.04369,0.004819
19870731,0.02055,0.04423,0.004573
19870831,-0.00671,0.03712,0.004711
19870930,-0.07811,-0.02079,0.004521
19871030,-0.10448,-0.22534,0.005973
19871130,0.01667,-0.07229,0.003452
19871231,0.02000,0.07032,0.003914
19880129,0.09836,0.04488,0.002942
19880229,-0.10448,0.05169,0.004556
19880331,0.08700,-0.01660,0.004407
19880429,0.03125,0.01100,0.004616
19880531,-0.07576,0.00044,0.005053
19880630,0.11934,0.05146,0.004853
19880729,-0.05970,-0.00727,0.005072
19880831,0.06349,-0.02801,0.005938
19880930,-0.02567,0.03721,0.006167
19881031,0.01563,0.01764,0.006101
19881130,0.00000,-0.01642,0.005662
19881230,0.12738,0.02107,0.006341
19890131,0.00000,0.06610,0.005514
19890228,-0.02778,-0.01645,0.006131
19890331,-0.05314,0.02146,0.006706
19890428,0.00000,0.04821,0.006748
19890531,0.06154,0.03934,0.007873
19890630,0.01855,-0.00487,0.007093
19890731,-0.04348,0.07713,0.006955
19890831,0.01515,0.02213,0.007392
19890929,0.04896,-0.00148,0.006545
19891031,-0.04348,-0.02928,0.006765
19891130,0.00000,0.01782,0.006866
19891229,0.04970,0.01830,0.00607
19900131,-0.02206,-0.07012,0.00567
19900228,-0.03759,0.01490,0.005679
19900330,-0.02688,0.02414,0.006441
19900430,-0.06557,-0.02828,0.006873
19900531,-0.07018,0.08894,0.006771
19900629,0.08075,-0.00420,0.006251
19900731,0.03571,-0.00940,0.006771
19900831,-0.03448,-0.09190,0.006571
19900928,0.09429,-0.05384,0.005984
19901031,0.08333,-0.01250,0.006818
19901130,0.04615,0.06574,0.005651
19901231,-0.08412,0.02952,0.005989
19910131,0.02459,0.04908,0.005177
19910228,-0.07200,0.07585,0.004767
19910328,0.16000,0.02892,0.004391
19910430,-0.06061,0.00332,0.005335
19910531,-0.04839,0.04073,0.004722
19910628,-0.10034,-0.04403,0.004171
19910731,0.01923,0.04680,0.004884
19910830,0.05660,0.02682,0.00461
19910930,0.05500,-0.01097,0.004558
19911031,-0.01724,0.01779,0.004246
19911129,0.00000,-0.03727,0.003915
19911231,0.03649,0.10678,0.003792
19920131,0.06897,-0.00119,0.003391
19920228,-0.03226,0.01334,0.002828
19920331,0.05133,-0.02370,0.003376
19920430,-0.04839,0.01344,0.00325
19920529,-0.01695,0.00642,0.002758
19920630,-0.01586,-0.01928,0.003201
19920731,0.08929,0.03987,0.003077
19920831,-0.01639,-0.02080,0.002605
19920930,-0.00700,0.01243,0.002573
19921030,-0.00855,0.01100,0.002287
19921130,0.03448,0.04019,0.002345
19921231,0.03467,0.01775,0.002823
19930129,-0.03279,0.01264,0.002335
19930226,0.08475,0.00540,0.002209
19930331,0.08719,0.02507,0.002538
19930430,0.02190,-0.02540,0.002372
19930528,-0.02857,0.02959,0.002168
19930630,0.03059,0.00545,0.002538
19930730,0.10145,-0.00083,0.002402
19930831,-0.03947,0.03951,0.002504
19930930,0.04219,0.00064,0.002562
19931029,-0.02667,0.01807,0.00221
19931130,-0.03425,-0.01759,0.002491
19931231,-0.02014,0.01949,0.002263
19940131,-0.01471,0.03145,0.002503
19940228,0.04478,-0.02420,0.00212
19940331,0.00114,-0.04580,0.002695
19940429,-0.07971,0.00947,0.002711
19940531,0.02362,0.00936,0.00315
19940630,0.04769,-0.02791,0.003118
19940729,-0.02985,0.03063,0.00275
19940831,0.04615,0.04260,0.003687
19940930,-0.04265,-0.01837,0.003659
19941031,-0.03125,0.01452,0.003841
19941130,-0.06452,-0.03722,0.003691
19941230,0.07069,0.01260,0.00443
19950131,-0.00820,0.02040,0.004156
19950228,0.00826,0.03962,0.003983
19950331,0.01803,0.02704,0.00462
19950428,-0.02459,0.02505,0.00445
19950531,-0.03361,0.03401,0.005355
19950630,0.06261,0.03117,0.004715
19950731,0.01667,0.04078,0.004522
19950831,0.01639,0.00930,0.004665
19950929,-0.01452,0.03636,0.004309
19951031,0.08333,-0.01132,0.004713
19951130,0.00769,0.04271,0.004201
19951229,-0.02137,0.01518,0.004882
19960131,0.01587,0.02815,.004
19960229,0.00000,0.01630,.004
19960329,0.00156,0.01093,.004
19960430,-0.03968,0.02551,.004
19960531,0.01653,0.02676,.004
19960628,0.01821,-0.00828,.004
19960731,0.05691,-0.05384,.004
19960830,-0.00769,0.03247,.004
19960930,-0.03690,0.05299,.004
19961031,0.07377,0.01362,.004
19961129,-0.02290,0.06551,.004
19961231,0.09562,-0.01137,.004
19970131,-0.08696,0.05344,.004
19970228,0.03175,-0.00116,.004
19970331,-0.04431,-0.04482,.004
19970430,0.01639,0.04230,.004
19970530,-0.02419,0.07163,.004
19970630,0.07669,0.04413,.004
19970731,0.06250,0.07651,.004
19970829,-0.05882,-0.03624,.004
19970930,0.04906,0.05846,.004
19971031,0.00000,-0.03449,.004
19971128,0.02273,0.03050,.004
19971231,0.37985,0.01775,.004
19980130,-0.00543,0.00452,.004
19980227,-0.00546,0.07322,.004
19980331,0.07846,0.05132,.004
19980430,-0.03093,0.01088,.004
19980529,-0.04787,-0.02573,.004
19980630,0.05207,0.03200,.004
19980731,-0.03226,-0.02326,.004
19980831,-0.00556,-0.15766,.004
19980930,0.01855,0.06390,.004
19981030,0.03333,0.07435,.004
19981130,-0.01613,0.06199,.004
19981231,-0.02011,0.06317,.004
19990129,-0.00565,0.03840,.004
19990226,-0.07670,-0.03803,.004
19990331,-0.04418,0.03807,.004
19990430,0.06536,0.04889,.004
19990528,0.00613,-0.02067,.004
19990630,0.11195,0.05113,.004
19990730,0.16667,-0.03050,.004
19990831,-0.07143,-0.00998,.004
19990930,0.06338,-0.02256,.004
19991029,0.01463,0.06214,.004
19991130,0.34135,0.03698,.004
19991231,0.01204,0.08397,.004
20000131,-0.00714,-0.03961,.004
20000229,0.02158,0.03186,.004
20000331,0.02680,0.05387,.004
20000428,0.03717,-0.05969,.004
20000531,-0.00333,-0.03889,.004
20000630,0.00789,0.05164,.004
20000731,0.00334,-0.01779,.004
20000831,0.00500,0.07641,.004