Frequencies for first 10,000 rows of wtgain9 variable in natl1990 dataset :

Weight Gain |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,032       10.32       10.32
          2 |      1,107       11.07       21.39
          3 |      1,425       14.25       35.64
          4 |      1,812       18.12       53.76
          5 |      1,285       12.85       66.61
          6 |      1,093       10.93       77.54
          7 |        508        5.08       82.62
          8 |        861        8.61       91.23
          9 |        877        8.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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