Frequencies for first 10,000 rows of wtgain9 variable in natlterr1996 dataset :

Weight Gain |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      2,166       21.66       21.66
          2 |      2,202       22.02       43.68
          3 |      1,771       17.71       61.39
          4 |      1,750       17.50       78.89
          5 |        791        7.91       86.80
          6 |        678        6.78       93.58
          7 |        282        2.82       96.40
          8 |        355        3.55       99.95
          9 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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