Frequencies for first 10,000 rows of fipstate variable in posclia2004 dataset :

   fipstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         52        0.52        0.52
         01 |      5,105       51.05       51.57
         02 |        584        5.84       57.41
         04 |      4,215       42.15       99.56
         05 |         15        0.15       99.71
         06 |          1        0.01       99.72
         08 |          2        0.02       99.74
         12 |          2        0.02       99.76
         13 |          4        0.04       99.80
         16 |          1        0.01       99.81
         17 |          2        0.02       99.83
         18 |          1        0.01       99.84
         20 |          1        0.01       99.85
         22 |          1        0.01       99.86
         28 |          3        0.03       99.89
         31 |          1        0.01       99.90
         32 |          1        0.01       99.91
         34 |          1        0.01       99.92
         39 |          2        0.02       99.94
         40 |          1        0.01       99.95
         44 |          1        0.01       99.96
         47 |          1        0.01       99.97
         49 |          1        0.01       99.98
         53 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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