Frequencies for first 10,000 rows of audlgy_srvc_cd variable in pos2018 dataset :

  Services: |
  Audiology |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
          . |      8,560       85.60       85.60
          0 |      1,221       12.21       97.81
          1 |        100        1.00       98.81
          2 |         99        0.99       99.80
          3 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019