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

       srv: |
respiratory |
       care |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,669       86.69       86.69
          0 |        323        3.23       89.92
          1 |        843        8.43       98.35
          2 |        136        1.36       99.71
          3 |         29        0.29      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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