Frequencies for first 10,000 rows of record_10 variable in mortterr2007 dataset :

  Condition |
         10 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,994       99.94       99.94
       K922 |          1        0.01       99.95
       N390 |          1        0.01       99.96
       R570 |          2        0.02       99.98
       S066 |          1        0.01       99.99
       T142 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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