Frequencies for first 10,000 rows of stresexp variable in natlterr1996 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          7 |          1        0.01        0.01
         10 |          1        0.01        0.02
         17 |          1        0.01        0.03
         31 |          1        0.01        0.04
         33 |          1        0.01        0.05
         48 |          1        0.01        0.06
         53 |      9,984       99.84       99.90
         54 |          5        0.05       99.95
         60 |          5        0.05      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015