Frequencies for first 10,000 rows of sb_sw variable in pos1991 dataset :

  swing bed |
  indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,770       87.70       87.70
          N |      1,078       10.78       98.48
          Y |        152        1.52      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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