Frequencies for first 10,000 rows of hosp_bsd_sw variable in pos2011 dataset :

   Hospital |
      Based |
     Switch |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          2        0.02        0.02
          N |      9,853       98.53       98.55
          Y |        145        1.45      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019