Frequencies for first 10,000 rows of prov2500 variable in pos2003 dataset :

       srv: |
   physical |
therapy/spe |
   ech path |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,377       93.77       93.77
          1 |        322        3.22       96.99
          2 |         67        0.67       97.66
          3 |        228        2.28       99.94
          4 |          6        0.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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