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

   Standard |
Metropolita |
          n |
Statistical |
  Area SMSA |
         of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      5,111       51.11       51.11
        001 |          1        0.01       51.12
        002 |          1        0.01       51.13
        003 |          2        0.02       51.15
        005 |          1        0.01       51.16
        014 |          9        0.09       51.25
        016 |          1        0.01       51.26
        024 |          2        0.02       51.28
        026 |      1,834       18.34       69.62
        029 |          1        0.01       69.63
        030 |          1        0.01       69.64
        031 |          1        0.01       69.65
        035 |          1        0.01       69.66
        041 |          4        0.04       69.70
        042 |          2        0.02       69.72
        048 |         79        0.79       70.51
        061 |          1        0.01       70.52
        062 |          1        0.01       70.53
        069 |          1        0.01       70.54
        074 |        273        2.73       73.27
        077 |          1        0.01       73.28
        087 |          1        0.01       73.29
        089 |        595        5.95       79.24
        090 |          1        0.01       79.25
        091 |          1        0.01       79.26
        092 |          3        0.03       79.29
        097 |          1        0.01       79.30
        103 |          1        0.01       79.31
        118 |          1        0.01       79.32
        120 |          1        0.01       79.33
        126 |          1        0.01       79.34
        128 |      1,135       11.35       90.69
        130 |          1        0.01       90.70
        131 |        605        6.05       96.75
        134 |          1        0.01       96.76
        137 |          2        0.02       96.78
        149 |         13        0.13       96.91
        153 |          1        0.01       96.92
        155 |          1        0.01       96.93
        163 |          1        0.01       96.94
        186 |          2        0.02       96.96
        201 |          1        0.01       96.97
        203 |          1        0.01       96.98
        212 |        302        3.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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