Frequencies for first 10,000 rows of prov0685 variable in pos2004 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,184       91.84       91.84
         05 |          1        0.01       91.85
         08 |        130        1.30       93.15
         13 |         86        0.86       94.01
         15 |        116        1.16       95.17
         16 |          5        0.05       95.22
         17 |        165        1.65       96.87
         18 |        313        3.13      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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