Frequencies for first 10,000 rows of audlgy_srvc_cd variable in pos2016 dataset :

  Services: |
  Audiology |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,569       85.69       85.69
          0 |      1,241       12.41       98.10
          1 |         91        0.91       99.01
          2 |         80        0.80       99.81
          3 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017