Frequencies for first 10,000 rows of stsubres variable in natl1973 dataset :

      State |
 Subcode of |
  Residence |      Freq.     Percent        Cum.
------------+-----------------------------------
         12 |          1        0.01        0.01
         21 |          1        0.01        0.02
         23 |          2        0.02        0.04
         31 |          3        0.03        0.07
         32 |          2        0.02        0.09
         33 |          2        0.02        0.11
         42 |          1        0.01        0.12
         44 |          1        0.01        0.13
         45 |          2        0.02        0.15
         46 |          1        0.01        0.16
         47 |          2        0.02        0.18
         51 |          1        0.01        0.19
         52 |          1        0.01        0.20
         54 |          1        0.01        0.21
         56 |          1        0.01        0.22
         57 |          2        0.02        0.24
         58 |         72        0.72        0.96
         59 |         89        0.89        1.85
         61 |          1        0.01        1.86
         62 |         49        0.49        2.35
         63 |      9,717       97.17       99.52
         64 |         38        0.38       99.90
         72 |          1        0.01       99.91
         73 |          1        0.01       99.92
         74 |          1        0.01       99.93
         84 |          1        0.01       99.94
         87 |          1        0.01       99.95
         91 |          1        0.01       99.96
         93 |          4        0.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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