Frequencies for first 10,000 rows of prov0690 variable in pos1993 dataset :

    type of |
non-partici |
     pating |
   provider |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,894       98.94       98.94
          E |         36        0.36       99.30
          F |         70        0.70      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016