Frequencies for first 10,000 rows of stresexp variable in natl1993 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,835       98.35       98.35
         05 |          2        0.02       98.37
         10 |         34        0.34       98.71
         11 |         26        0.26       98.97
         15 |          1        0.01       98.98
         19 |          2        0.02       99.00
         22 |          1        0.01       99.01
         25 |         52        0.52       99.53
         34 |          1        0.01       99.54
         35 |          1        0.01       99.55
         37 |          1        0.01       99.56
         44 |         43        0.43       99.99
         48 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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