Frequencies for first 10,000 rows of fipstate variable in pos1998 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         12        0.12        0.12
         01 |      1,435       14.35       14.47
         02 |        184        1.84       16.31
         04 |      1,059       10.59       26.90
         05 |      1,527       15.27       42.17
         06 |      5,647       56.47       98.64
         08 |        136        1.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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