Frequencies for first 10,000 rows of state_cd variable in pos2017 dataset :

      State |
Abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        293        2.93        2.93
         AL |      2,148       21.48       24.41
         AR |      2,161       21.61       46.02
         AZ |      1,939       19.39       65.41
         CA |      3,459       34.59      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 9 Jan 2018