Frequencies for statecode variable in busrules2017 dataset :

 State Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |         81        1.22        1.22
         AL |         54        0.82        2.04
         AR |         41        0.62        2.66
         AZ |         97        1.47        4.12
         DE |         64        0.97        5.09
         FL |        366        5.53       10.62
         GA |        309        4.67       15.29
         HI |         40        0.60       15.89
         IA |        170        2.57       18.46
         IL |        411        6.21       24.67
         IN |        149        2.25       26.92
         KS |         77        1.16       28.08
         KY |         72        1.09       29.17
         LA |        101        1.53       30.69
         ME |        113        1.71       32.40
         MI |        323        4.88       37.28
         MO |        130        1.96       39.24
         MS |         55        0.83       40.08
         MT |        129        1.95       42.02
         NC |        125        1.89       43.91
         ND |         86        1.30       45.21
         NE |         75        1.13       46.34
         NH |         65        0.98       47.33
         NJ |        132        1.99       49.32
         NM |         63        0.95       50.27
         NV |         65        0.98       51.25
         OH |        556        8.40       59.65
         OK |        265        4.00       63.66
         OR |         81        1.22       64.88
         PA |        269        4.06       68.94
         SC |         72        1.09       70.03
         SD |         66        1.00       71.03
         TN |        151        2.28       73.31
         TX |        684       10.33       83.64
         UT |         51        0.77       84.41
         VA |        309        4.67       89.08
         WI |        599        9.05       98.13
         WV |         57        0.86       98.99
         WY |         67        1.01      100.00
------------+-----------------------------------
      Total |      6,620      100.00

by Jean Roth , jroth@nber.org , 8 Dec 2017