Frequencies for first 10,000 rows of stateres variable in natl1978 dataset :

 NCHS State |
         of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,753       97.53       97.53
         10 |         62        0.62       98.15
         11 |         56        0.56       98.71
         13 |          1        0.01       98.72
         17 |          1        0.01       98.73
         18 |          1        0.01       98.74
         19 |          1        0.01       98.75
         21 |          1        0.01       98.76
         25 |         45        0.45       99.21
         34 |          2        0.02       99.23
         36 |          3        0.03       99.26
         39 |          2        0.02       99.28
         41 |          2        0.02       99.30
         43 |         64        0.64       99.94
         44 |          1        0.01       99.95
         47 |          2        0.02       99.97
         49 |          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