Frequencies for first 10,000 rows of memi variable in sf12010880us24 dataset :

Metropolita |
n/Micropoli |
        tan |
  Indicator |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      6,296       62.96       62.96
          2 |      1,817       18.17       81.13
          9 |      1,887       18.87      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 May 2017