Frequencies for chainstate variable in hcris2552_96_2008 dataset :

 chainstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      3,819       61.52       61.52
         AK |          1        0.02       61.53
         AL |        129        2.08       63.61
         AR |         12        0.19       63.80
         AZ |         19        0.31       64.11
         CA |        160        2.58       66.69
         CO |         60        0.97       67.65
         CT |          5        0.08       67.74
         DC |          3        0.05       67.78
         DE |          1        0.02       67.80
         FL |        107        1.72       69.52
         GA |         54        0.87       70.39
         HI |         10        0.16       70.55
         IA |         16        0.26       70.81
         IL |         65        1.05       71.86
         IN |         33        0.53       72.39
         JA |          2        0.03       72.42
         KS |         14        0.23       72.65
         KY |         87        1.40       74.05
         LA |         49        0.79       74.84
         LO |          1        0.02       74.86
         M0 |          1        0.02       74.87
         MA |         16        0.26       75.13
MADISON  AL |          1        0.02       75.14
      MARKS |          1        0.02       75.16
   MARYLAND |          1        0.02       75.18
         MD |         50        0.81       75.98
         ME |         12        0.19       76.18
    MEMPHIS |          1        0.02       76.19
         MI |         57        0.92       77.11
         MN |         53        0.85       77.96
         MO |         84        1.35       79.32
         MS |         10        0.16       79.48
          N |          1        0.02       79.49
         NA |          1        0.02       79.51
         NC |         58        0.93       80.44
         ND |          5        0.08       80.53
         NE |         14        0.23       80.75
         NH |          8        0.13       80.88
         NJ |         12        0.19       81.07
         NM |         23        0.37       81.44
         NO |          1        0.02       81.46
         NV |          3        0.05       81.51
         NY |         20        0.32       81.83
         OH |         58        0.93       82.76
         OK |         25        0.40       83.17
         OR |         15        0.24       83.41
         PA |        174        2.80       86.21
         PE |          1        0.02       86.23
         RI |          5        0.08       86.31
      SAYRE |          1        0.02       86.32
         SC |         14        0.23       86.55
         SD |         30        0.48       87.03
         SP |          1        0.02       87.05
         SY |          1        0.02       87.07
         TE |          3        0.05       87.11
  TENNESSEE |          1        0.02       87.13
         TN |        441        7.10       94.23
         TX |        222        3.58       97.81
         UT |         23        0.37       98.18
         VA |         32        0.52       98.70
         VT |          1        0.02       98.71
         WA |         23        0.37       99.08
         WI |         50        0.81       99.89
         WV |          7        0.11      100.00
------------+-----------------------------------
      Total |      6,208      100.00

by Jean Roth , jroth@nber.org , 12 Sep 2018