Frequencies for first 10,000 rows of cryo variable in namcs2014 dataset :

Cryosurgery |
/Destructio |
n of tissue |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,946       99.46       99.46
        Yes |         54        0.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 27 Mar 2017