Frequencies for first 10,000 rows of fips_state_cd variable in pos2009 dataset :

 FIPS STATE |
       CODE |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         15        0.15        0.15
         01 |      1,872       18.72       18.87
         02 |        248        2.48       21.35
         04 |      1,509       15.09       36.44
         05 |      1,936       19.36       55.80
         06 |      4,420       44.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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