Frequencies for first 10,000 rows of record_9 variable in mortterr2007 dataset :

Condition 9 |      Freq.     Percent        Cum.
------------+-----------------------------------
            |      9,982       99.82       99.82
       I802 |          1        0.01       99.83
       J969 |          1        0.01       99.84
       K219 |          1        0.01       99.85
       K631 |          1        0.01       99.86
       K746 |          1        0.01       99.87
       K922 |          1        0.01       99.88
       N179 |          1        0.01       99.89
       N390 |          1        0.01       99.90
       N498 |          1        0.01       99.91
       R048 |          1        0.01       99.92
        R17 |          1        0.01       99.93
       R568 |          1        0.01       99.94
       R570 |          1        0.01       99.95
       R578 |          1        0.01       99.96
       R601 |          1        0.01       99.97
       R688 |          1        0.01       99.98
       R798 |          1        0.01       99.99
        W80 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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