Frequencies for first 10,000 rows of enwall1 variable in sippp08putm1 dataset :

      EMP: Recipient of most |
      recent/only episode of |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
             Not in Universe |      9,106       91.06       91.06
              Not applicable |         77        0.77       91.83
Taking care of a minor child |        817        8.17      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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