Frequencies for first 10,000 rows of msa13 variable in h84 dataset :

        MSA |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      8,405       84.05       84.05
          2 |      1,595       15.95      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Feb 2018