Frequencies for first 10,000 rows of unable13 variable in h84 dataset :

 COMPLETELY |
  UNABLE TO |
DO ACTIVITY |      Freq.     Percent        Cum.
------------+-----------------------------------
         -8 |          4        0.04        0.04
         -1 |      9,234       92.34       92.38
          1 |        468        4.68       97.06
          2 |        294        2.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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