Frequencies for first 10,000 rows of measurestartdate variable in hqi_hosp_read

    Measure |
 Start Date |      Freq.     Percent        Cum.
------------+-----------------------------------
  01jul2011 |      9,286       92.86       92.86
  01jul2013 |        714        7.14      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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