Frequencies for first 10,000 rows of stateres variable in natl1970 dataset :

 NCHS State |
         of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         01 |      9,754       97.54       97.54
         03 |          1        0.01       97.55
         04 |          2        0.02       97.57
         05 |          1        0.01       97.58
         07 |          1        0.01       97.59
         10 |         63        0.63       98.22
         11 |         64        0.64       98.86
         14 |          2        0.02       98.88
         15 |          5        0.05       98.93
         19 |          4        0.04       98.97
         22 |          2        0.02       98.99
         23 |          1        0.01       99.00
         24 |          1        0.01       99.01
         25 |         30        0.30       99.31
         26 |          2        0.02       99.33
         30 |          1        0.01       99.34
         32 |          1        0.01       99.35
         33 |          4        0.04       99.39
         34 |          4        0.04       99.43
         36 |          2        0.02       99.45
         39 |          2        0.02       99.47
         41 |          1        0.01       99.48
         43 |         43        0.43       99.91
         44 |          6        0.06       99.97
         49 |          1        0.01       99.98
         50 |          2        0.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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