Frequencies for first 10,000 rows of wtgain variable in natl1991 dataset :

Weight Gain |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         90        0.90        0.90
          1 |          7        0.07        0.97
          2 |         15        0.15        1.12
          3 |         17        0.17        1.29
          4 |         13        0.13        1.42
          5 |         46        0.46        1.88
          6 |         29        0.29        2.17
          7 |         43        0.43        2.60
          8 |         32        0.32        2.92
          9 |         36        0.36        3.28
         10 |        145        1.45        4.73
         11 |         49        0.49        5.22
         12 |        110        1.10        6.32
         13 |         79        0.79        7.11
         14 |         83        0.83        7.94
         15 |        256        2.56       10.50
         16 |         87        0.87       11.37
         17 |        120        1.20       12.57
         18 |        144        1.44       14.01
         19 |        101        1.01       15.02
         20 |        618        6.18       21.20
         21 |        159        1.59       22.79
         22 |        231        2.31       25.10
         23 |        203        2.03       27.13
         24 |        220        2.20       29.33
         25 |        629        6.29       35.62
         26 |        253        2.53       38.15
         27 |        232        2.32       40.47
         28 |        222        2.22       42.69
         29 |        142        1.42       44.11
         30 |      1,033       10.33       54.44
         31 |        170        1.70       56.14
         32 |        249        2.49       58.63
         33 |        187        1.87       60.50
         34 |        203        2.03       62.53
         35 |        516        5.16       67.69
         36 |        176        1.76       69.45
         37 |        166        1.66       71.11
         38 |        175        1.75       72.86
         39 |         86        0.86       73.72
         40 |        623        6.23       79.95
         41 |         74        0.74       80.69
         42 |        112        1.12       81.81
         43 |        110        1.10       82.91
         44 |         67        0.67       83.58
         45 |        223        2.23       85.81
         46 |         77        0.77       86.58
         47 |         62        0.62       87.20
         48 |         59        0.59       87.79
         49 |         26        0.26       88.05
         50 |        271        2.71       90.76
         51 |         25        0.25       91.01
         52 |         34        0.34       91.35
         53 |         31        0.31       91.66
         54 |         27        0.27       91.93
         55 |         63        0.63       92.56
         56 |         27        0.27       92.83
         57 |         24        0.24       93.07
         58 |         22        0.22       93.29
         59 |          6        0.06       93.35
         60 |        109        1.09       94.44
         61 |          6        0.06       94.50
         62 |         14        0.14       94.64
         63 |         11        0.11       94.75
         64 |         13        0.13       94.88
         65 |         20        0.20       95.08
         66 |          6        0.06       95.14
         67 |         11        0.11       95.25
         68 |          7        0.07       95.32
         69 |          3        0.03       95.35
         70 |         25        0.25       95.60
         71 |          3        0.03       95.63
         72 |          1        0.01       95.64
         73 |          2        0.02       95.66
         74 |          3        0.03       95.69
         75 |          9        0.09       95.78
         76 |          2        0.02       95.80
         78 |          2        0.02       95.82
         79 |          1        0.01       95.83
         80 |          8        0.08       95.91
         83 |          1        0.01       95.92
         85 |          2        0.02       95.94
         90 |          3        0.03       95.97
         95 |          1        0.01       95.98
         97 |          2        0.02       96.00
         98 |         12        0.12       96.12
         99 |        388        3.88      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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