Frequencies for first 10,000 rows of stresfip variable in natl1989 dataset :

   State of |
  Residence |
     (FIPS) |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,748       97.48       97.48
         09 |          1        0.01       97.49
         12 |         54        0.54       98.03
         13 |        108        1.08       99.11
         22 |          5        0.05       99.16
         26 |          1        0.01       99.17
         28 |         39        0.39       99.56
         37 |          2        0.02       99.58
         39 |          1        0.01       99.59
         47 |         39        0.39       99.98
         48 |          1        0.01       99.99
         51 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 Jan 2016