Frequencies for first 10,000 rows of prov3550 variable in pos1999 dataset :

    current |
survey ever |
   swingbed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,784       87.84       87.84
          N |      1,095       10.95       98.79
          Y |        121        1.21      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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