Frequencies for stabbr variable in countyrate1997 dataset :

      State |
2-Character |
Abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |         30        0.92        0.92
         AL |         67        2.06        2.99
         AR |         75        2.31        5.30
         AZ |         15        0.46        5.76
         CA |         58        1.79        7.54
         CO |         63        1.94        9.48
         CT |          8        0.25        9.73
         DC |          1        0.03        9.76
         DE |          3        0.09        9.85
         FL |         67        2.06       11.92
         GA |        159        4.90       16.81
         GU |         22        0.68       17.49
         HI |          5        0.15       17.64
         IA |         99        3.05       20.69
         ID |         44        1.35       22.04
         IL |        102        3.14       25.18
         IN |         92        2.83       28.02
         KS |        105        3.23       31.25
         KY |        120        3.69       34.94
         LA |         64        1.97       36.92
         MA |         14        0.43       37.35
         MD |         24        0.74       38.08
         ME |         16        0.49       38.58
         MI |         83        2.56       41.13
         MN |         87        2.68       43.81
         MO |        115        3.54       47.35
         MS |         82        2.52       49.88
         MT |         56        1.72       51.60
         NC |        100        3.08       54.68
         ND |         53        1.63       56.31
         NE |         93        2.86       59.17
         NH |         10        0.31       59.48
         NJ |         21        0.65       60.13
         NM |         33        1.02       61.15
         NV |         17        0.52       61.67
         NY |         62        1.91       63.58
         OH |         88        2.71       66.29
         OK |         77        2.37       68.66
         OR |         36        1.11       69.77
         PA |         67        2.06       71.83
         PR |         78        2.40       74.23
         RI |          5        0.15       74.38
         SC |         46        1.42       75.80
         SD |         67        2.06       77.86
         TN |         95        2.92       80.79
         TX |        254        7.82       88.61
         UT |         29        0.89       89.50
         VA |        136        4.19       93.69
         VI |          2        0.06       93.75
         VT |         14        0.43       94.18
         WA |         39        1.20       95.38
         WI |         72        2.22       97.60
         WV |         55        1.69       99.29
         WY |         23        0.71      100.00
------------+-----------------------------------
      Total |      3,248      100.00

by Jean Roth , jroth@nber.org , 19 Dec 2016