"Year","Core sample","All industries","4*minimum threshold","Core sample excluding top 1%"
1937,0.4347,0.4347,0.3733,0.3846298
1938,0.4416,0.4416,0.3771,0.3987352
1939,0.4333,0.4333,0.368,0.3884341
1940,0.4331,0.4331,0.3711,0.3847217
1941,0.4344,0.4344,0.3723,0.3895315
1942,0.4299,0.4299,0.3564,0.3923324
1943,0.4106,0.4106,0.3407,0.3773523
1944,0.3929,0.3929,0.3237,0.3663067
1945,0.3979,0.3979,0.3181,0.3691052
1946,0.3974,0.3974,0.3238,0.3649347
1947,0.3864,0.3864,0.318,0.3549818
1948,0.3793,0.3793,0.3148,0.3472309
1949,0.3817,0.3817,0.3176,0.3506686
1950,0.3785,0.3785,0.313,0.3463087
1951,0.3741,0.3797,0.3163,0.3425703
1952,0.3674,0.3727,0.3095,0.3373569
1953,0.3619,0.368,0.3065,0.3339895
1954,0.368,0.3734,0.3095,0.3394718
1955,0.3717,0.3793,0.31,0.3439934
1956,0.37,0.3774,0.3133,0.3422292
1957,0.3744,0.3819,0.3166,0.348454
1958,0.3785,0.3857,0.3185,0.3529166
1959,0.3736,0.3807,0.316,0.3485422
1960,0.3746,0.3833,0.3193,0.3493639
1961,0.3771,0.384,0.3203,0.3527825
1962,0.3754,0.3832,0.3202,0.3520461
1963,0.376,0.3838,0.3205,0.3528267
1964,0.3754,0.3828,0.3207,0.3514209
1965,0.3742,0.3811,0.32,0.3501104
1966,0.3782,0.3835,0.3243,0.3522234
1967,0.3785,0.3834,0.3253,0.3531172
1968,0.3777,0.3815,0.325,0.3516943
1969,0.3811,0.3842,0.3278,0.3555654
1970,0.3832,0.3849,0.3296,0.3581685
1971,0.3835,0.3844,0.3285,0.3593195
1972,0.3909,0.3904,0.3354,0.3651284
1973,0.3928,0.3919,0.3375,0.365741
1974,0.3958,0.3935,0.3407,0.3664768
1975,0.4031,0.3984,0.3458,0.37202
1976,0.402,0.3983,0.3447,0.3722067
1977,0.4072,0.4024,0.3515,0.3758033
1978,0.4071,0.4038,0.3569,0.3774921
1979,0.4024,0.3995,0.3532,0.3727757
1980,0.4084,0.4047,0.3585,0.3769459
1981,0.4098,0.4056,0.3595,0.3783805
1982,0.4191,0.4109,0.3668,0.3854286
1983,0.4231,0.4141,0.3699,0.3882695
1984,0.4256,0.4167,0.3729,0.3889194
1985,0.4278,0.4175,0.375,0.3912008
1986,0.4326,0.4211,0.3798,0.3936364
1987,0.4406,0.4276,0.3893,0.3939319
1988,0.4476,0.4339,0.3971,0.3967429
1989,0.4459,0.4323,0.3958,0.3969258
1990,0.4455,0.432,0.3963,0.395218
1991,0.4435,0.4297,0.3931,0.3967253
1992,0.4523,0.4369,0.4021,0.3991524
1993,0.4519,0.4363,0.4019,0.4012593
1994,0.4492,0.434,0.3997,0.4007058
1995,0.4519,0.4365,0.4032,0.4019953
1996,0.4548,0.4395,0.407,0.4025733
1997,0.4613,0.4454,0.4151,0.4035616
1998,0.462,0.446,0.4174,0.4029735
1999,0.4671,0.4507,0.4233,0.4043822
2000,0.4716,0.4548,0.4285,0.4059362
2001,0.4674,0.4508,0.4232,0.4063095
2002,0.4607,0.4445,0.4142,0.4053716
2003,0.464,0.4472,0.4169,0.4082187
2004,0.4707,0.4524,0.4221,0.4120985