Frequencies for first 10,000 rows of ssa_state_cd variable in pos2010 dataset :

 STATE CODE |
      (SSA) |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      1,908       19.08       19.08
         02 |        262        2.62       21.70
         03 |      1,563       15.63       37.33
         04 |      1,962       19.62       56.95
         05 |      4,305       43.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 17 May 2017