Frequencies for first 10,000 rows of prov0685 variable in pos1996 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,381       93.81       93.81
         02 |          1        0.01       93.82
         04 |          2        0.02       93.84
         05 |          8        0.08       93.92
         08 |         78        0.78       94.70
         13 |         51        0.51       95.21
         14 |          2        0.02       95.23
         15 |        104        1.04       96.27
         16 |          2        0.02       96.29
         17 |        134        1.34       97.63
         18 |        237        2.37      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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