Frequencies for first 10,000 rows of fips_state_cd variable in pos2005 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         16        0.16        0.16
         01 |      1,751       17.51       17.67
         02 |        228        2.28       19.95
         04 |      1,321       13.21       33.16
         05 |      1,830       18.30       51.46
         06 |      4,854       48.54      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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