Frequencies for first 10,000 rows of prov3550 variable in pos1996 dataset :

    current |
survey ever |
   swingbed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,690       86.90       86.90
          N |      1,156       11.56       98.46
          Y |        154        1.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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