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

       SRV: |
RESPIRATORY |
       CARE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,498       84.98       84.98
          0 |        353        3.53       88.51
          1 |        967        9.67       98.18
          2 |        136        1.36       99.54
          3 |         46        0.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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