Frequencies for first 10,000 rows of state variable in hqi_hosp_mv dataset :

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        335        3.35        3.35
         AL |      2,720       27.20       30.55
         AR |      1,673       16.73       47.28
         AZ |      2,490       24.90       72.18
         CA |      2,782       27.82      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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