Frequencies for first 10,000 rows of smsares variable in natl1971 dataset :

   Standard |
Metropolita |
          n |
Statistical |
  Area SMSA |
         of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      5,063       50.63       50.63
        003 |          2        0.02       50.65
        005 |          1        0.01       50.66
        007 |          1        0.01       50.67
        014 |          4        0.04       50.71
        016 |          1        0.01       50.72
        020 |          1        0.01       50.73
        026 |      1,791       17.91       68.64
        040 |          1        0.01       68.65
        041 |          2        0.02       68.67
        042 |          3        0.03       68.70
        043 |          1        0.01       68.71
        045 |          1        0.01       68.72
        048 |         81        0.81       69.53
        074 |        272        2.72       72.25
        077 |          1        0.01       72.26
        087 |          1        0.01       72.27
        088 |          1        0.01       72.28
        089 |        664        6.64       78.92
        092 |          1        0.01       78.93
        094 |          1        0.01       78.94
        101 |          1        0.01       78.95
        116 |          1        0.01       78.96
        118 |          2        0.02       78.98
        124 |          1        0.01       78.99
        128 |      1,165       11.65       90.64
        131 |        659        6.59       97.23
        134 |          1        0.01       97.24
        139 |          2        0.02       97.26
        140 |          1        0.01       97.27
        149 |         10        0.10       97.37
        152 |          1        0.01       97.38
        155 |          1        0.01       97.39
        164 |          1        0.01       97.40
        180 |          1        0.01       97.41
        186 |          1        0.01       97.42
        193 |          1        0.01       97.43
        196 |          1        0.01       97.44
        203 |          1        0.01       97.45
        204 |          2        0.02       97.47
        212 |        251        2.51       99.98
        214 |          1        0.01       99.99
        221 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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