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

      DEATH |
      MONTH |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        428        4.28        4.28
          2 |        396        3.96        8.24
          3 |        425        4.25       12.49
          4 |        450        4.50       16.99
          5 |        467        4.67       21.66
          6 |        488        4.88       26.54
          7 |        403        4.03       30.57
          8 |        415        4.15       34.72
          9 |        300        3.00       37.72
         10 |        182        1.82       39.54
         11 |        179        1.79       41.33
         12 |        161        1.61       42.94
         88 |      5,688       56.88       99.82
         99 |         18        0.18      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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