Frequencies for first 10,000 rows of wtgain variable in natl1997 dataset :

Weight Gain |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        137        1.37        1.37
          1 |         13        0.13        1.50
          2 |         26        0.26        1.76
          3 |         29        0.29        2.05
          4 |         27        0.27        2.32
          5 |         50        0.50        2.82
          6 |         36        0.36        3.18
          7 |         44        0.44        3.62
          8 |         60        0.60        4.22
          9 |         42        0.42        4.64
         10 |        227        2.27        6.91
         11 |         65        0.65        7.56
         12 |        117        1.17        8.73
         13 |         75        0.75        9.48
         14 |         92        0.92       10.40
         15 |        277        2.77       13.17
         16 |        113        1.13       14.30
         17 |        125        1.25       15.55
         18 |        162        1.62       17.17
         19 |        104        1.04       18.21
         20 |        623        6.23       24.44
         21 |        150        1.50       25.94
         22 |        212        2.12       28.06
         23 |        187        1.87       29.93
         24 |        209        2.09       32.02
         25 |        553        5.53       37.55
         26 |        234        2.34       39.89
         27 |        187        1.87       41.76
         28 |        261        2.61       44.37
         29 |        132        1.32       45.69
         30 |        917        9.17       54.86
         31 |        158        1.58       56.44
         32 |        219        2.19       58.63
         33 |        170        1.70       60.33
         34 |        179        1.79       62.12
         35 |        461        4.61       66.73
         36 |        184        1.84       68.57
         37 |        125        1.25       69.82
         38 |        180        1.80       71.62
         39 |         92        0.92       72.54
         40 |        600        6.00       78.54
         41 |         67        0.67       79.21
         42 |        124        1.24       80.45
         43 |         87        0.87       81.32
         44 |         71        0.71       82.03
         45 |        226        2.26       84.29
         46 |         57        0.57       84.86
         47 |         54        0.54       85.40
         48 |         69        0.69       86.09
         49 |         28        0.28       86.37
         50 |        288        2.88       89.25
         51 |         24        0.24       89.49
         52 |         44        0.44       89.93
         53 |         32        0.32       90.25
         54 |         30        0.30       90.55
         55 |         58        0.58       91.13
         56 |         19        0.19       91.32
         57 |         14        0.14       91.46
         58 |         14        0.14       91.60
         59 |         14        0.14       91.74
         60 |         89        0.89       92.63
         61 |         10        0.10       92.73
         62 |         16        0.16       92.89
         63 |          7        0.07       92.96
         64 |          4        0.04       93.00
         65 |         19        0.19       93.19
         66 |          7        0.07       93.26
         67 |          7        0.07       93.33
         68 |          7        0.07       93.40
         69 |          4        0.04       93.44
         70 |         25        0.25       93.69
         71 |          3        0.03       93.72
         72 |          2        0.02       93.74
         73 |          4        0.04       93.78
         74 |          2        0.02       93.80
         75 |          3        0.03       93.83
         76 |          2        0.02       93.85
         77 |          4        0.04       93.89
         78 |          2        0.02       93.91
         80 |          6        0.06       93.97
         82 |          2        0.02       93.99
         84 |          5        0.05       94.04
         85 |          1        0.01       94.05
         87 |          1        0.01       94.06
         89 |          1        0.01       94.07
         90 |          2        0.02       94.09
         99 |        591        5.91      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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