Frequencies for first 10,000 rows of lacrep variable in nhamcsed2007 dataset :

 laceration |
     repair |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,536       95.36       95.36
        yes |        464        4.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016