Frequencies for first 10,000 rows of fipstate variable in posclia2000 dataset :

   fipstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         60        0.60        0.60
         01 |      4,179       41.79       42.39
         02 |        462        4.62       47.01
         04 |      4,008       40.08       87.09
         05 |      1,265       12.65       99.74
         06 |          1        0.01       99.75
         08 |          1        0.01       99.76
         12 |          1        0.01       99.77
         13 |          3        0.03       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
         32 |          1        0.01       99.90
         34 |          1        0.01       99.91
         39 |          2        0.02       99.93
         40 |          1        0.01       99.94
         44 |          1        0.01       99.95
         48 |          3        0.03       99.98
         49 |          1        0.01       99.99
         53 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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