Frequencies for first 10,000 rows of stfips variable in cowbo19ages dataset :

 State FIPS |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
         08 |     10,000      100.00      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 2 May 2017