Frequencies for state variable in machread2017 dataset :

      State |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          1        0.32        0.32
         AK |          4        1.28        1.60
         AL |          4        1.28        2.88
         AR |          5        1.60        4.49
         AZ |         10        3.21        7.69
         DE |          5        1.60        9.29
         FL |         18        5.77       15.06
         GA |         11        3.53       18.59
         HI |          4        1.28       19.87
         IA |          9        2.88       22.76
         IL |         10        3.21       25.96
         IN |          7        2.24       28.21
         KS |          6        1.92       30.13
         KY |          5        1.60       31.73
         LA |          6        1.92       33.65
         ME |          4        1.28       34.94
         MI |         15        4.81       39.74
         MO |          8        2.56       42.31
         MS |          3        0.96       43.27
         MT |          5        1.60       44.87
         NC |          5        1.60       46.47
         ND |          5        1.60       48.08
         NE |          3        0.96       49.04
         NH |          6        1.92       50.96
         NJ |          6        1.92       52.88
         NM |          5        1.60       54.49
         NV |          6        1.92       56.41
         OH |         16        5.13       61.54
         OK |          6        1.92       63.46
         OR |          9        2.88       66.35
         PA |         15        4.81       71.15
         SC |          5        1.60       72.76
         SD |          3        0.96       73.72
         TN |          8        2.56       76.28
         TX |         20        6.41       82.69
         UT |          9        2.88       85.58
         VA |         15        4.81       90.38
         WI |         22        7.05       97.44
         WV |          4        1.28       98.72
         WY |          4        1.28      100.00
------------+-----------------------------------
      Total |        312      100.00

by Jean Roth , jroth@nber.org , 28 Jun 2017