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

 SRV: ICU - |
    CARDIAC |
(NON-SURGIC |
        AL) |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      8,626       86.26       86.26
          0 |        810        8.10       94.36
          1 |        525        5.25       99.61
          2 |         27        0.27       99.88
          3 |         12        0.12      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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