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

      State |
 Subcode of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
         23 |          2        0.02        0.03
         31 |          3        0.03        0.06
         35 |          1        0.01        0.07
         47 |          1        0.01        0.08
         52 |          1        0.01        0.09
         54 |          2        0.02        0.11
         55 |          1        0.01        0.12
         56 |          2        0.02        0.14
         57 |          2        0.02        0.16
         58 |         56        0.56        0.72
         59 |         62        0.62        1.34
         61 |          1        0.01        1.35
         62 |         64        0.64        1.99
         63 |      9,753       97.53       99.52
         64 |         45        0.45       99.97
         72 |          1        0.01       99.98
         74 |          1        0.01       99.99
         82 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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