Frequencies for first 10,000 rows of sch_mdh variable in psfhos201404 dataset :

       Sole |
  Community |
   Hospital |
      (SCH) |
    Medical |
  Dependent |
   Hospital |
 (MDH) Base |
       Year |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      2,128       21.28       21.28
          . |      7,872       78.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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