Frequencies for first 10,000 rows of prov0685 variable in pos1999 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,296       92.96       92.96
         02 |          1        0.01       92.97
         04 |          1        0.01       92.98
         05 |          1        0.01       92.99
         08 |        103        1.03       94.02
         13 |         67        0.67       94.69
         14 |          2        0.02       94.71
         15 |         92        0.92       95.63
         16 |          2        0.02       95.65
         17 |        157        1.57       97.22
         18 |        278        2.78      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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