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

   Case Mix |
      Index |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,971       79.71       79.71
      .0009 |          4        0.04       79.75
       .001 |         21        0.21       79.96
          1 |      2,002       20.02       99.98
     1.1234 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 24 Sep 2018