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

      Measure ID |      Freq.     Percent        Cum.
-----------------+-----------------------------------
    ACS_REGISTRY |         51        0.51        0.51
           OP_12 |      1,329       13.29       13.80
           OP_17 |      1,329       13.29       27.09
           OP_25 |      1,330       13.30       40.39
    SM_PART_CARD |      1,490       14.90       55.29
SM_PART_GEN_SURG |      1,491       14.91       70.20
   SM_PART_NURSE |      1,490       14.90       85.10
  SM_PART_STROKE |      1,490       14.90      100.00
-----------------+-----------------------------------
           Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016