Frequencies for first 10,000 rows of ot_srvc_cd variable in pos2003 dataset :

       srv: |
occupationa |
  l therapy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,601       66.01       66.01
          0 |        706        7.06       73.07
          1 |      1,030       10.30       83.37
          2 |      1,265       12.65       96.02
          3 |        398        3.98      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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