Frequencies for first 10,000 rows of fips_state_cd variable in pos2000 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         12        0.12        0.12
         01 |      1,525       15.25       15.37
         02 |        192        1.92       17.29
         04 |      1,118       11.18       28.47
         05 |      1,614       16.14       44.61
         06 |      5,539       55.39      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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