Frequencies for first 10,000 rows of msa_pop variable in natlterr2003 dataset :

 Population |
         of |
Statistical |
  Area U;R  |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      7,068       70.68       70.68
          2 |      1,333       13.33       84.01
          9 |      1,599       15.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015