Frequencies for first 10,000 rows of fipstate variable in pos1993 dataset :

 fips state |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         23        0.23        0.23
         01 |      1,370       13.70       13.93
         02 |        132        1.32       15.25
         04 |      1,047       10.47       25.72
         05 |      1,349       13.49       39.21
         06 |      5,887       58.87       98.08
         08 |        192        1.92      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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