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

  SSA State |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      2,183       21.83       21.83
         02 |        294        2.94       24.77
         03 |      2,005       20.05       44.82
         04 |      2,200       22.00       66.82
         05 |      3,318       33.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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