Frequencies for first 10,000 rows of stresexp variable in natl1985 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      9,781       97.81       97.81
         10 |         76        0.76       98.57
         11 |         35        0.35       98.92
         15 |          1        0.01       98.93
         19 |          1        0.01       98.94
         20 |          1        0.01       98.95
         25 |         46        0.46       99.41
         44 |         57        0.57       99.98
         45 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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