Frequencies for first 10,000 rows of record_11 variable in mort2006 dataset :

  Condition |
         11 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,996       99.96       99.96
        R54 |          1        0.01       99.97
       R688 |          1        0.01       99.98
        W80 |          1        0.01       99.99
        X65 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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