Frequencies for first 10,000 rows of smsares variable in natl1983 dataset :

   Standard |
Metropolita |
          n |
Statistical |
  Area SMSA |
         of |
  residence |      Freq.     Percent        Cum.
------------+-----------------------------------
        000 |      3,917       39.17       39.17
        003 |          1        0.01       39.18
        015 |        387        3.87       43.05
        019 |          1        0.01       43.06
        033 |          1        0.01       43.07
        035 |      1,951       19.51       62.58
        046 |          1        0.01       62.59
        057 |          2        0.02       62.61
        061 |          1        0.01       62.62
        066 |         52        0.52       63.14
        078 |          1        0.01       63.15
        093 |        372        3.72       66.87
        099 |          3        0.03       66.90
        102 |        252        2.52       69.42
        122 |        828        8.28       77.70
        152 |          1        0.01       77.71
        166 |          1        0.01       77.72
        173 |          1        0.01       77.73
        176 |          1        0.01       77.74
        177 |      1,342       13.42       91.16
        180 |        646        6.46       97.62
        183 |          1        0.01       97.63
        205 |          2        0.02       97.65
        207 |          3        0.03       97.68
        209 |         12        0.12       97.80
        247 |          1        0.01       97.81
        283 |        218        2.18       99.99
        286 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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