Frequencies for first 10,000 rows of prov0685 variable in pos1998 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,334       93.34       93.34
         02 |          1        0.01       93.35
         04 |          1        0.01       93.36
         08 |         92        0.92       94.28
         13 |         61        0.61       94.89
         14 |          2        0.02       94.91
         15 |         88        0.88       95.79
         16 |          2        0.02       95.81
         17 |        150        1.50       97.31
         18 |        269        2.69      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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