Frequencies for first 10,000 rows of prov0685 variable in pos1993 dataset :

       esrd |
  network # |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,510       95.10       95.10
         02 |          1        0.01       95.11
         04 |          2        0.02       95.13
         05 |          6        0.06       95.19
         08 |         56        0.56       95.75
         13 |         45        0.45       96.20
         14 |          1        0.01       96.21
         15 |         72        0.72       96.93
         16 |          2        0.02       96.95
         17 |        111        1.11       98.06
         18 |        194        1.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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