Frequencies for first 10,000 rows of fipstate variable in posclia1999 dataset :

   fipstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         60        0.60        0.60
         01 |      4,001       40.01       40.61
         02 |        431        4.31       44.92
         04 |      3,773       37.73       82.65
         05 |      1,710       17.10       99.75
         06 |          1        0.01       99.76
         08 |          1        0.01       99.77
         12 |          1        0.01       99.78
         13 |          3        0.03       99.81
         16 |          1        0.01       99.82
         17 |          2        0.02       99.84
         18 |          1        0.01       99.85
         20 |          1        0.01       99.86
         22 |          1        0.01       99.87
         28 |          3        0.03       99.90
         34 |          1        0.01       99.91
         39 |          1        0.01       99.92
         40 |          1        0.01       99.93
         48 |          4        0.04       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