Frequencies for first 10,000 rows of state_cd variable in pos2018 dataset :

      State |
Abbreviatio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
         AK |        294        2.94        2.94
         AL |      2,183       21.83       24.77
         AR |      2,200       22.00       46.77
         AZ |      2,005       20.05       66.82
         CA |      3,318       33.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Feb 2019