Frequencies for first 10,000 rows of smsares variable in natl1985 dataset :

   Standard |
Metropolita |
          n |
Statistical |
  Area SMSA |
         of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      4,004       40.04       40.04
        015 |        389        3.89       43.93
        019 |          2        0.02       43.95
        035 |      1,781       17.81       61.76
        057 |          7        0.07       61.83
        066 |         37        0.37       62.20
        093 |        393        3.93       66.13
        097 |          1        0.01       66.14
        099 |          3        0.03       66.17
        102 |        274        2.74       68.91
        120 |          1        0.01       68.92
        122 |        956        9.56       78.48
        143 |          1        0.01       78.49
        165 |          1        0.01       78.50
        173 |          2        0.02       78.52
        177 |      1,478       14.78       93.30
        180 |        539        5.39       98.69
        189 |          1        0.01       98.70
        202 |          1        0.01       98.71
        207 |         10        0.10       98.81
        209 |         10        0.10       98.91
        247 |          1        0.01       98.92
        283 |        108        1.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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