Frequencies for first 10,000 rows of uld_dysfn variable in natl2006 dataset :

Dysfunction |
   al Labor |
        RFP |
720=f_uld_d |
   ysfunc U |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        552        5.52        5.52
          2 |      9,316       93.16       98.68
          9 |        132        1.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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