Frequencies for first 10,000 rows of priorlive variable in natl2003 dataset :

      Prior |
 Births Now |
 Living U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      3,561       35.61       35.61
          1 |      3,033       30.33       65.94
          2 |      1,618       16.18       82.12
          3 |        787        7.87       89.99
          4 |        330        3.30       93.29
          5 |        185        1.85       95.14
          6 |         89        0.89       96.03
          7 |         64        0.64       96.67
          8 |         34        0.34       97.01
          9 |         14        0.14       97.15
         10 |         10        0.10       97.25
         11 |          5        0.05       97.30
         12 |          3        0.03       97.33
         13 |          2        0.02       97.35
         14 |          1        0.01       97.36
         99 |        264        2.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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