Frequencies for first 10,000 rows of fipstate variable in pos2001 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         12        0.12        0.12
         01 |      1,570       15.70       15.82
         02 |        197        1.97       17.79
         04 |      1,158       11.58       29.37
         05 |      1,664       16.64       46.01
         06 |      5,399       53.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 26 Jan 2016