Frequencies for first 10,000 rows of wtgain9 variable in natl1996 dataset :

Weight Gain |
     Recode |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      1,266       12.66       12.66
          2 |      1,180       11.80       24.46
          3 |      1,405       14.05       38.51
          4 |      1,750       17.50       56.01
          5 |      1,186       11.86       67.87
          6 |      1,144       11.44       79.31
          7 |        524        5.24       84.55
          8 |        935        9.35       93.90
          9 |        610        6.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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