Frequencies for first 10,000 rows of sch_mdh variable in psfhos201207 dataset :

       Sole |
  Community |
   Hospital |
      (SCH) |
    Medical |
  Dependent |
   Hospital |
 (MDH) Base |
       Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,130       21.30       21.30
          . |      7,870       78.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 Feb 2018