Frequencies for first 10,000 rows of srvy_ever_sb_sw variable in pos2005 dataset :

    current |
survey ever |
   swingbed |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,731       87.31       87.31
          N |      1,052       10.52       97.83
          Y |        217        2.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017