Frequencies for first 10,000 rows of ld_augm variable in natl2013 dataset :

Augmentatio |
 n of Labor |
        RFP |
609=f_ld_au |
    gment R |      Freq.     Percent        Cum.
------------+-----------------------------------
          N |      8,332       83.32       83.32
          U |        153        1.53       84.85
          Y |      1,515       15.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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