Frequencies for first 10,000 rows of dysfunc variable in linkco1991us_num dataset :

Dysfunction |
   al labor |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        135        1.35        1.35
          2 |      9,658       96.58       97.93
          9 |        207        2.07      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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