Frequencies for first 10,000 rows of record_9 variable in mort2006 dataset :

Condition 9 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,971       99.71       99.71
       I709 |          1        0.01       99.72
       J189 |          1        0.01       99.73
       J848 |          1        0.01       99.74
        L89 |          1        0.01       99.75
       M199 |          1        0.01       99.76
       N179 |          3        0.03       99.79
       N189 |          1        0.01       99.80
        N19 |          3        0.03       99.83
       N390 |          2        0.02       99.85
        R02 |          1        0.01       99.86
       R064 |          1        0.01       99.87
       R092 |          1        0.01       99.88
        R31 |          1        0.01       99.89
       R609 |          1        0.01       99.90
       R634 |          1        0.01       99.91
       R688 |          2        0.02       99.93
       S099 |          1        0.01       99.94
       S720 |          1        0.01       99.95
       T179 |          2        0.02       99.97
       T509 |          1        0.01       99.98
       T887 |          1        0.01       99.99
       Y832 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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