Frequencies for first 10,000 rows of cnslng_srvc_cd variable in pos2009 dataset :

       SRV: |
 COUNSELING |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,360       93.60       93.60
          0 |         20        0.20       93.80
          1 |        567        5.67       99.47
          2 |         34        0.34       99.81
          3 |         19        0.19      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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