Frequencies for first 10,000 rows of stsubres variable in natl1972 dataset :

      State |
 Subcode of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1        0.01        0.01
         15 |          1        0.01        0.02
         21 |          2        0.02        0.04
         23 |          1        0.01        0.05
         31 |          3        0.03        0.08
         35 |          1        0.01        0.09
         41 |          1        0.01        0.10
         47 |          2        0.02        0.12
         54 |          1        0.01        0.13
         56 |          1        0.01        0.14
         57 |          3        0.03        0.17
         58 |         65        0.65        0.82
         59 |         93        0.93        1.75
         62 |         68        0.68        2.43
         63 |      9,713       97.13       99.56
         64 |         33        0.33       99.89
         72 |          4        0.04       99.93
         74 |          4        0.04       99.97
         85 |          1        0.01       99.98
         86 |          1        0.01       99.99
         87 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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