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

  SSA State |
       Code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      2,117       21.17       21.17
         02 |        287        2.87       24.04
         03 |      1,866       18.66       42.70
         04 |      2,124       21.24       63.94
         05 |      3,606       36.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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