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

      Measure ID |      Freq.     Percent        Cum.
-----------------+-----------------------------------
    ACS_REGISTRY |         61        0.61        0.61
           OP_12 |      1,420       14.20       14.81
           OP_17 |      1,420       14.20       29.01
           OP_25 |      1,420       14.20       43.21
    SM_PART_CARD |      1,420       14.20       57.41
SM_PART_GEN_SURG |      1,419       14.19       71.60
   SM_PART_NURSE |      1,420       14.20       85.80
     SM_SS_CHECK |      1,420       14.20      100.00
-----------------+-----------------------------------
           Total |     10,000      100.00

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