Frequencies for first 10,000 rows of rsprtry_care_srvc_cd variable in pos2000 dataset :

       srv: |
respiratory |
       care |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,792       87.92       87.92
          0 |        289        2.89       90.81
          1 |        760        7.60       98.41
          2 |        133        1.33       99.74
          3 |         26        0.26      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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