Frequencies for first 10,000 rows of stresexp variable in natlterr1999 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         10 |          2        0.02        0.02
         16 |          1        0.01        0.03
         31 |          1        0.01        0.04
         33 |          1        0.01        0.05
         40 |          1        0.01        0.06
         45 |          1        0.01        0.07
         48 |          1        0.01        0.08
         53 |      9,988       99.88       99.96
         54 |          1        0.01       99.97
         60 |          3        0.03      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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