Frequencies for first 10,000 rows of stresexp variable in natl1990 dataset :

   Expanded |
   State of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,789       97.89       97.89
         04 |          2        0.02       97.91
         10 |         40        0.40       98.31
         11 |         81        0.81       99.12
         16 |          1        0.01       99.13
         17 |          1        0.01       99.14
         19 |          1        0.01       99.15
         21 |          2        0.02       99.17
         25 |         17        0.17       99.34
         26 |          2        0.02       99.36
         31 |          1        0.01       99.37
         33 |          1        0.01       99.38
         35 |          1        0.01       99.39
         37 |          1        0.01       99.40
         38 |          1        0.01       99.41
         40 |          1        0.01       99.42
         42 |          1        0.01       99.43
         44 |         51        0.51       99.94
         45 |          2        0.02       99.96
         50 |          1        0.01       99.97
         52 |          1        0.01       99.98
         60 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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