Frequencies for first 10,000 rows of ld_anes variable in natlterr2008 dataset :

 Anesthesia |
        RFP |
616=f_ld_an |
     esth R |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,061       60.61       60.61
          N |      3,444       34.44       95.05
          Y |        495        4.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016