Frequencies for first 10,000 rows of fipstate variable in posclia1997 dataset :

   fipstate |      Freq.     Percent        Cum.
------------+-----------------------------------
            |         64        0.64        0.64
         01 |      3,490       34.90       35.54
         02 |        357        3.57       39.11
         04 |      3,269       32.69       71.80
         05 |      2,103       21.03       92.83
         06 |        697        6.97       99.80
         12 |          1        0.01       99.81
         13 |          2        0.02       99.83
         17 |          2        0.02       99.85
         18 |          1        0.01       99.86
         22 |          2        0.02       99.88
         28 |          1        0.01       99.89
         37 |          1        0.01       99.90
         42 |          1        0.01       99.91
         48 |          5        0.05       99.96
         49 |          1        0.01       99.97
         51 |          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