Frequencies for first 10,000 rows of prov6160 variable in pos2010 dataset :

       SRV: |
  AUDIOLOGY |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |      1,254       12.54       98.80
          1 |         58        0.58       99.38
          2 |         54        0.54       99.92
          3 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017