Frequencies for first 10,000 rows of wtgain variable in natl1993 dataset :

Weight Gain |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        107        1.07        1.07
          1 |         11        0.11        1.18
          2 |          9        0.09        1.27
          3 |         17        0.17        1.44
          4 |         25        0.25        1.69
          5 |         37        0.37        2.06
          6 |         37        0.37        2.43
          7 |         40        0.40        2.83
          8 |         62        0.62        3.45
          9 |         46        0.46        3.91
         10 |        177        1.77        5.68
         11 |         58        0.58        6.26
         12 |        101        1.01        7.27
         13 |         82        0.82        8.09
         14 |         85        0.85        8.94
         15 |        235        2.35       11.29
         16 |        123        1.23       12.52
         17 |        124        1.24       13.76
         18 |        163        1.63       15.39
         19 |         94        0.94       16.33
         20 |        600        6.00       22.33
         21 |        204        2.04       24.37
         22 |        207        2.07       26.44
         23 |        216        2.16       28.60
         24 |        226        2.26       30.86
         25 |        636        6.36       37.22
         26 |        259        2.59       39.81
         27 |        207        2.07       41.88
         28 |        285        2.85       44.73
         29 |        164        1.64       46.37
         30 |        912        9.12       55.49
         31 |        179        1.79       57.28
         32 |        248        2.48       59.76
         33 |        173        1.73       61.49
         34 |        190        1.90       63.39
         35 |        519        5.19       68.58
         36 |        172        1.72       70.30
         37 |        152        1.52       71.82
         38 |        161        1.61       73.43
         39 |        110        1.10       74.53
         40 |        632        6.32       80.85
         41 |         76        0.76       81.61
         42 |        124        1.24       82.85
         43 |        113        1.13       83.98
         44 |         71        0.71       84.69
         45 |        226        2.26       86.95
         46 |         58        0.58       87.53
         47 |         61        0.61       88.14
         48 |         43        0.43       88.57
         49 |         32        0.32       88.89
         50 |        279        2.79       91.68
         51 |         33        0.33       92.01
         52 |         35        0.35       92.36
         53 |         25        0.25       92.61
         54 |         35        0.35       92.96
         55 |         69        0.69       93.65
         56 |         22        0.22       93.87
         57 |          9        0.09       93.96
         58 |         15        0.15       94.11
         59 |          9        0.09       94.20
         60 |         91        0.91       95.11
         61 |          7        0.07       95.18
         62 |         15        0.15       95.33
         63 |          9        0.09       95.42
         64 |          8        0.08       95.50
         65 |         25        0.25       95.75
         66 |          8        0.08       95.83
         67 |          4        0.04       95.87
         68 |          5        0.05       95.92
         69 |          4        0.04       95.96
         70 |         21        0.21       96.17
         71 |          3        0.03       96.20
         72 |          3        0.03       96.23
         74 |          2        0.02       96.25
         75 |          8        0.08       96.33
         76 |          3        0.03       96.36
         78 |          2        0.02       96.38
         79 |          1        0.01       96.39
         80 |          8        0.08       96.47
         81 |          2        0.02       96.49
         83 |          1        0.01       96.50
         84 |          1        0.01       96.51
         85 |          3        0.03       96.54
         87 |          1        0.01       96.55
         88 |          1        0.01       96.56
         90 |          2        0.02       96.58
         95 |          1        0.01       96.59
         98 |          3        0.03       96.62
         99 |        338        3.38      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015