Frequencies for first 10,000 rows of rsprtry_care_srvc_cd variable in pos2005 dataset :

       srv: |
respiratory |
       care |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,596       85.96       85.96
          0 |        335        3.35       89.31
          1 |        903        9.03       98.34
          2 |        136        1.36       99.70
          3 |         30        0.30      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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