Frequencies for first 10,000 rows of ot_srvc_cd variable in pos2000 dataset :

       srv: |
occupationa |
  l therapy |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      6,948       69.48       69.48
          0 |        653        6.53       76.01
          1 |        909        9.09       85.10
          2 |      1,208       12.08       97.18
          3 |        282        2.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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