Frequencies for first 10,000 rows of dysfunc variable in natl1995 dataset :

Dysfunction |
   al labor |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        170        1.70        1.70
          2 |      9,799       97.99       99.69
          9 |         31        0.31      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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