Frequencies for first 10,000 rows of wtgain9 variable in natl1989 dataset :

Weight Gain |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        918        9.18        9.18
          2 |      1,115       11.15       20.33
          3 |      1,452       14.52       34.85
          4 |      2,135       21.35       56.20
          5 |      1,198       11.98       68.18
          6 |      1,078       10.78       78.96
          7 |        505        5.05       84.01
          8 |        754        7.54       91.55
          9 |        845        8.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016