Frequencies for state variable in daphrr2013 dataset :

 State name |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |          1        0.33        0.33
         AL |          6        1.95        2.28
         AR |          5        1.63        3.91
         AZ |          4        1.30        5.21
         CA |         24        7.82       13.03
         CO |          7        2.28       15.31
         CT |          3        0.98       16.29
         DC |          1        0.33       16.61
         DE |          1        0.33       16.94
         FL |         18        5.86       22.80
         GA |          7        2.28       25.08
         HI |          1        0.33       25.41
         IA |          8        2.61       28.01
         ID |          2        0.65       28.66
         IL |         13        4.23       32.90
         IN |          9        2.93       35.83
         KS |          2        0.65       36.48
         KY |          5        1.63       38.11
         LA |         10        3.26       41.37
         MA |          3        0.98       42.35
         MD |          3        0.98       43.32
         ME |          2        0.65       43.97
         MI |         15        4.89       48.86
         MN |          5        1.63       50.49
         MO |          6        1.95       52.44
         MS |          6        1.95       54.40
         MT |          3        0.98       55.37
         NC |          9        2.93       58.31
         ND |          4        1.30       59.61
         NE |          2        0.65       60.26
         NH |          2        0.65       60.91
         NJ |          7        2.28       63.19
         NM |          1        0.33       63.52
         NV |          2        0.65       64.17
         NY |         10        3.26       67.43
         OH |         10        3.26       70.68
         OK |          3        0.98       71.66
         OR |          5        1.63       73.29
         PA |         14        4.56       77.85
         RI |          1        0.33       78.18
         SC |          5        1.63       79.80
         SD |          2        0.65       80.46
         TN |          7        2.28       82.74
         TX |         22        7.17       89.90
         US |          1        0.33       90.23
         UT |          3        0.98       91.21
         VA |          8        2.61       93.81
         VT |          1        0.33       94.14
         WA |          6        1.95       96.09
         WI |          8        2.61       98.70
         WV |          3        0.98       99.67
         WY |          1        0.33      100.00
------------+-----------------------------------
      Total |        307      100.00

by Jean Roth , jroth@nber.org , 14 Mar 2018