Frequencies for first 10,000 rows of priordead variable in natl2004 dataset :

      Prior |
 Births Now |
   Dead U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,603       86.03       86.03
          1 |        266        2.66       88.69
          2 |         47        0.47       89.16
          3 |          8        0.08       89.24
          4 |          3        0.03       89.27
          5 |          2        0.02       89.29
          6 |          2        0.02       89.31
          7 |          1        0.01       89.32
          9 |          1        0.01       89.33
         11 |          1        0.01       89.34
         99 |      1,066       10.66      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 21 Jan 2016