Frequencies for first 10,000 rows of doa variable in person dataset :

    DEAD ON |
    ARRIVAL |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,372       73.72       73.72
          7 |      2,538       25.38       99.10
          8 |         73        0.73       99.83
          9 |         17        0.17      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016