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

   Case Mix |
      Index |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      9,800       98.00       98.00
      .0001 |        182        1.82       99.82
      .0007 |         10        0.10       99.92
          1 |          7        0.07       99.99
     1.0073 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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