Frequencies for state variable in hcris2552_96_1999 dataset :

         state |      Freq.     Percent        Cum.
---------------+-----------------------------------
               |        113        1.82        1.82
            AK |         18        0.29        2.11
            AL |        126        2.03        4.14
            AR |         98        1.58        5.72
            AX |          1        0.02        5.73
            AZ |         82        1.32        7.05
            CA |        484        7.79       14.85
            CO |         80        1.29       16.14
            CT |         48        0.77       16.91
            DC |         14        0.23       17.13
            DE |         12        0.19       17.33
            FL |        247        3.98       21.30
            GA |        193        3.11       24.41
            GU |          1        0.02       24.43
            HI |         25        0.40       24.83
            IA |        123        1.98       26.81
            ID |         48        0.77       27.58
            IL |        218        3.51       31.10
      ILLINOIS |          8        0.13       31.22
            IN |        150        2.42       33.64
            KS |        150        2.42       36.05
            KY |        119        1.92       37.97
            LA |        173        2.79       40.76
            MA |        119        1.92       42.67
            MD |         67        1.08       43.75
            ME |         50        0.81       44.56
            MI |        179        2.88       47.44
            MN |        156        2.51       49.95
            MO |        144        2.32       52.27
       MONTANA |          1        0.02       52.29
            MP |          1        0.02       52.30
            MS |        108        1.74       54.04
            MT |         55        0.89       54.93
            NC |        146        2.35       57.28
            ND |         48        0.77       58.05
            NE |         91        1.47       59.52
            NH |         31        0.50       60.02
            NJ |        109        1.76       61.77
            NM |         45        0.72       62.50
NORTH CAROLINA |          1        0.02       62.51
            NV |         38        0.61       63.12
            NY |        261        4.20       67.33
            OH |        216        3.48       70.81
            OK |        136        2.19       73.00
            OR |         66        1.06       74.06
            P. |          1        0.02       74.07
            PA |        248        3.99       78.07
            PR |         50        0.81       78.87
            RI |         14        0.23       79.10
            SC |         78        1.26       80.35
            SD |         59        0.95       81.30
            TN |        144        2.32       83.62
            TX |        502        8.08       91.71
            UT |         47        0.76       92.46
            VA |        114        1.84       94.30
            VI |          2        0.03       94.33
            VT |         16        0.26       94.59
            WA |         97        1.56       96.15
            WI |        141        2.27       98.42
     WISCONSIN |          1        0.02       98.44
            WV |         68        1.10       99.53
            WY |         29        0.47      100.00
---------------+-----------------------------------
         Total |      6,210      100.00

by Jean Roth , jroth@nber.org , 7 Sep 2018