Frequencies for first 10,000 rows of measureid variable in hqi_hosp_structural 

      Measure ID |      Freq.     Percent        Cum.
-----------------+-----------------------------------
    ACS_REGISTRY |         63        0.63        0.63
           OP_12 |      1,315       13.15       13.78
           OP_17 |      1,315       13.15       26.93
           OP_25 |      1,315       13.15       40.08
    SM_PART_CARD |      1,498       14.98       55.06
SM_PART_GEN_SURG |      1,498       14.98       70.04
   SM_PART_NURSE |      1,498       14.98       85.02
     SM_SS_CHECK |      1,498       14.98      100.00
-----------------+-----------------------------------
           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Nov 2016