Frequencies for first 10,000 rows of esrd_ntwrk_num variable in pos2015 dataset

       ESRD |
    Network |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      9,272       92.72       92.72
         13 |        101        1.01       93.73
         15 |        111        1.11       94.84
         16 |          7        0.07       94.91
         17 |        124        1.24       96.15
         18 |        201        2.01       98.16
          5 |          1        0.01       98.17
          8 |        183        1.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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