Frequencies for first 10,000 rows of schlim13 variable in h84 dataset :

     SCHOOL |
 LIMITATION |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |          9        0.09        0.09
         -1 |      9,226       92.26       92.35
          1 |        253        2.53       94.88
          2 |        512        5.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Feb 2018