Frequencies for first 10,000 rows of ld_augm variable in natlterr2011 dataset :

Augmentatio |
 n of Labor |
        RFP |
609=f_ld_au |
    gment R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      2,536       25.36       25.36
          N |      5,292       52.92       78.28
          U |      1,092       10.92       89.20
          Y |      1,080       10.80      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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