Frequencies for first 10,000 rows of ovrrd_stfg_sw variable in pos2013 dataset 

 Ovrrd Stfg |
         Sw |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      4,739       47.39       47.39
          N |      4,234       42.34       89.73
          Y |      1,027       10.27      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016