Frequencies for first 10,000 rows of stateres variable in natl1975 dataset :

 NCHS State |
         of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,700       97.00       97.00
         04 |          1        0.01       97.01
         06 |          1        0.01       97.02
         10 |         98        0.98       98.00
         11 |         55        0.55       98.55
         14 |          1        0.01       98.56
         15 |          2        0.02       98.58
         18 |          1        0.01       98.59
         19 |          1        0.01       98.60
         23 |          1        0.01       98.61
         24 |          1        0.01       98.62
         25 |         57        0.57       99.19
         26 |          1        0.01       99.20
         35 |          1        0.01       99.21
         36 |          1        0.01       99.22
         37 |          1        0.01       99.23
         39 |          1        0.01       99.24
         41 |          1        0.01       99.25
         43 |         70        0.70       99.95
         44 |          3        0.03       99.98
         48 |          1        0.01       99.99
         49 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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