Frequencies for first 10,000 rows of prov3550 variable in pos1993 dataset :

    current |
survey ever |
   swingbed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,743       87.43       87.43
          N |      1,100       11.00       98.43
          Y |        157        1.57      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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