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

      State |
 Subcode of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         23 |          1        0.01        0.01
         31 |          1        0.01        0.02
         32 |          2        0.02        0.04
         33 |          1        0.01        0.05
         34 |          1        0.01        0.06
         41 |          1        0.01        0.07
         43 |          1        0.01        0.08
         44 |          1        0.01        0.09
         55 |          1        0.01        0.10
         57 |          1        0.01        0.11
         58 |         55        0.55        0.66
         59 |         98        0.98        1.64
         61 |          1        0.01        1.65
         62 |         70        0.70        2.35
         63 |      9,700       97.00       99.35
         64 |         57        0.57       99.92
         71 |          1        0.01       99.93
         72 |          1        0.01       99.94
         73 |          1        0.01       99.95
         74 |          3        0.03       99.98
         84 |          1        0.01       99.99
         91 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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