Frequencies for first 10,000 rows of fips_state_cd variable in pos1994 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         16        0.16        0.16
         01 |      1,517       15.17       15.33
         02 |        168        1.68       17.01
         04 |      1,105       11.05       28.06
         05 |      1,446       14.46       42.52
         06 |      5,748       57.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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