Frequencies for first 10,000 rows of fips_state_cd variable in pos2003 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |          8        0.08        0.08
         01 |      1,666       16.66       16.74
         02 |        207        2.07       18.81
         04 |      1,238       12.38       31.19
         05 |      1,744       17.44       48.63
         06 |      5,129       51.29       99.92
         23 |          3        0.03       99.95
         26 |          4        0.04       99.99
         28 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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