Frequencies for first 10,000 rows of ld_augm variable in natlterr2007 dataset :

Augmentatio |
 n of Labor |
        RFP |
609=f_ld_au |
    gment R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,163       61.63       61.63
          N |      3,090       30.90       92.53
          U |          1        0.01       92.54
          Y |        746        7.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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