Frequencies for first 10,000 rows of prov0685 variable in pos1991 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,537       95.37       95.37
         02 |          1        0.01       95.38
         04 |          2        0.02       95.40
         08 |         49        0.49       95.89
         13 |         42        0.42       96.31
         15 |         79        0.79       97.10
         16 |          2        0.02       97.12
         17 |        109        1.09       98.21
         18 |        179        1.79      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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