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

 State FIPS |
       code |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |        688        6.88        6.88
         02 |        688        6.88       13.76
         04 |        688        6.88       20.64
         05 |        688        6.88       27.52
         06 |        688        6.88       34.40
         08 |        688        6.88       41.28
         09 |        688        6.88       48.16
         10 |        688        6.88       55.04
         11 |        688        6.88       61.92
         12 |        688        6.88       68.80
         13 |        688        6.88       75.68
         15 |        688        6.88       82.56
         16 |        688        6.88       89.44
         17 |        688        6.88       96.32
         18 |        368        3.68      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 2 Jan 2016