Frequencies for first 10,000 rows of state_cd variable in pos2016 dataset :

      State |
Abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        287        2.87        2.87
         AL |      2,117       21.17       24.04
         AR |      2,124       21.24       45.28
         AZ |      1,866       18.66       63.94
         CA |      3,606       36.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 10 Jan 2017