Frequencies for first 10,000 rows of wtgain variable in natl1998 dataset :

Weight Gain |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        211        2.11        2.11
          1 |         18        0.18        2.29
          2 |         21        0.21        2.50
          3 |         16        0.16        2.66
          4 |         34        0.34        3.00
          5 |         58        0.58        3.58
          6 |         52        0.52        4.10
          7 |         48        0.48        4.58
          8 |         58        0.58        5.16
          9 |         42        0.42        5.58
         10 |        207        2.07        7.65
         11 |         68        0.68        8.33
         12 |        118        1.18        9.51
         13 |         80        0.80       10.31
         14 |        126        1.26       11.57
         15 |        281        2.81       14.38
         16 |        106        1.06       15.44
         17 |        114        1.14       16.58
         18 |        174        1.74       18.32
         19 |         92        0.92       19.24
         20 |        607        6.07       25.31
         21 |        137        1.37       26.68
         22 |        201        2.01       28.69
         23 |        204        2.04       30.73
         24 |        179        1.79       32.52
         25 |        556        5.56       38.08
         26 |        216        2.16       40.24
         27 |        197        1.97       42.21
         28 |        231        2.31       44.52
         29 |        126        1.26       45.78
         30 |        933        9.33       55.11
         31 |        146        1.46       56.57
         32 |        237        2.37       58.94
         33 |        183        1.83       60.77
         34 |        168        1.68       62.45
         35 |        535        5.35       67.80
         36 |        173        1.73       69.53
         37 |        149        1.49       71.02
         38 |        155        1.55       72.57
         39 |        101        1.01       73.58
         40 |        620        6.20       79.78
         41 |         81        0.81       80.59
         42 |        114        1.14       81.73
         43 |         96        0.96       82.69
         44 |         85        0.85       83.54
         45 |        224        2.24       85.78
         46 |         70        0.70       86.48
         47 |         49        0.49       86.97
         48 |         61        0.61       87.58
         49 |         23        0.23       87.81
         50 |        325        3.25       91.06
         51 |         32        0.32       91.38
         52 |         60        0.60       91.98
         53 |         41        0.41       92.39
         54 |         23        0.23       92.62
         55 |         74        0.74       93.36
         56 |         19        0.19       93.55
         57 |         17        0.17       93.72
         58 |         26        0.26       93.98
         59 |          9        0.09       94.07
         60 |        116        1.16       95.23
         61 |          8        0.08       95.31
         62 |         10        0.10       95.41
         63 |         12        0.12       95.53
         64 |          7        0.07       95.60
         65 |         27        0.27       95.87
         66 |          6        0.06       95.93
         67 |          6        0.06       95.99
         68 |          9        0.09       96.08
         69 |          1        0.01       96.09
         70 |         28        0.28       96.37
         71 |          8        0.08       96.45
         72 |          1        0.01       96.46
         73 |          4        0.04       96.50
         74 |          3        0.03       96.53
         75 |         13        0.13       96.66
         76 |          2        0.02       96.68
         77 |          3        0.03       96.71
         78 |          1        0.01       96.72
         79 |          2        0.02       96.74
         80 |         12        0.12       96.86
         81 |          3        0.03       96.89
         83 |          4        0.04       96.93
         85 |          8        0.08       97.01
         90 |          2        0.02       97.03
         93 |          1        0.01       97.04
         94 |          1        0.01       97.05
         96 |          1        0.01       97.06
         98 |          1        0.01       97.07
         99 |        293        2.93      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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