Frequencies for first 10,000 rows of stateres variable in natl1974 dataset :

 NCHS State |
         of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,744       97.44       97.44
         05 |          1        0.01       97.45
         07 |          1        0.01       97.46
         10 |         69        0.69       98.15
         11 |         46        0.46       98.61
         14 |          2        0.02       98.63
         15 |          2        0.02       98.65
         16 |          1        0.01       98.66
         17 |          1        0.01       98.67
         23 |          2        0.02       98.69
         25 |         45        0.45       99.14
         26 |          1        0.01       99.15
         31 |          1        0.01       99.16
         34 |          1        0.01       99.17
         39 |          2        0.02       99.19
         41 |          2        0.02       99.21
         43 |         74        0.74       99.95
         44 |          2        0.02       99.97
         48 |          1        0.01       99.98
         50 |          1        0.01       99.99
         59 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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