Frequencies for first 10,000 rows of state_cd variable in pos2011 dataset :

      State |
Abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        277        2.77        2.77
         AL |      2,064       20.64       23.41
         AR |      2,045       20.45       43.86
         AZ |      1,703       17.03       60.89
         CA |      3,911       39.11      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 20 Apr 2019