Frequencies for first 10,000 rows of smsares variable in natl1982 dataset :

   Standard |
Metropolita |
          n |
Statistical |
  Area SMSA |
         of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      3,998       39.98       39.98
        015 |        353        3.53       43.51
        021 |          1        0.01       43.52
        024 |          1        0.01       43.53
        029 |          1        0.01       43.54
        035 |      2,035       20.35       63.89
        053 |          1        0.01       63.90
        057 |         12        0.12       64.02
        061 |          1        0.01       64.03
        066 |         44        0.44       64.47
        073 |          1        0.01       64.48
        078 |          1        0.01       64.49
        093 |        358        3.58       68.07
        096 |          1        0.01       68.08
        099 |          2        0.02       68.10
        102 |        274        2.74       70.84
        122 |        803        8.03       78.87
        131 |          1        0.01       78.88
        177 |      1,534       15.34       94.22
        180 |        300        3.00       97.22
        183 |          1        0.01       97.23
        205 |          1        0.01       97.24
        207 |          9        0.09       97.33
        209 |         19        0.19       97.52
        215 |          1        0.01       97.53
        251 |          1        0.01       97.54
        283 |        246        2.46      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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