Frequencies for chainstate variable in hcris2552_96_2011 dataset :

 chainstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         16       47.06       47.06
         AL |          1        2.94       50.00
         AZ |          1        2.94       52.94
         CA |          1        2.94       55.88
         KY |          2        5.88       61.76
         NC |          1        2.94       64.71
         NM |          1        2.94       67.65
         OK |          1        2.94       70.59
         PA |          1        2.94       73.53
         TN |          5       14.71       88.24
         TX |          2        5.88       94.12
         WA |          1        2.94       97.06
         WI |          1        2.94      100.00
------------+-----------------------------------
      Total |         34      100.00

by Jean Roth , jroth@nber.org , 2 Sep 2018