Frequencies for first 10,000 rows of stresexp variable in natl1983 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,741       97.41       97.41
          3 |          1        0.01       97.42
          5 |          2        0.02       97.44
         10 |         90        0.90       98.34
         11 |         52        0.52       98.86
         19 |          1        0.01       98.87
         23 |          1        0.01       98.88
         25 |         54        0.54       99.42
         33 |          1        0.01       99.43
         38 |          1        0.01       99.44
         44 |         53        0.53       99.97
         45 |          1        0.01       99.98
         51 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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