Frequencies for state variable in enfrep20130807 dataset :

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.73        0.73
         AZ |          7        5.11        5.84
         CA |         34       24.82       30.66
         CO |         10        7.30       37.96
         FL |         16       11.68       49.64
         IL |          3        2.19       51.82
         IN |          1        0.73       52.55
         KY |          1        0.73       53.28
         LA |          2        1.46       54.74
         MA |          3        2.19       56.93
         MD |          2        1.46       58.39
         ME |          3        2.19       60.58
         MI |          2        1.46       62.04
         MO |          1        0.73       62.77
         MT |          2        1.46       64.23
         NJ |          4        2.92       67.15
         NV |          1        0.73       67.88
         NY |          2        1.46       69.34
         OH |         13        9.49       78.83
         OK |          1        0.73       79.56
         PA |          9        6.57       86.13
         TX |          2        1.46       87.59
         WA |         10        7.30       94.89
         WI |          7        5.11      100.00
------------+-----------------------------------
      Total |        137      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015