Frequencies for first 10,000 rows of illb_r11 variable in natl2014 dataset :

   Interval |
 Since Last |
 Live Birth |
  Recode 11 |
 00 Zero to |
   3 months |
 (plural de |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |        134        1.34        1.34
          1 |         74        0.74        2.08
          2 |        537        5.37        7.45
          3 |        847        8.47       15.92
          4 |      1,474       14.74       30.66
          5 |        868        8.68       39.34
          6 |        528        5.28       44.62
          7 |        374        3.74       48.36
          8 |        906        9.06       57.42
         88 |      3,659       36.59       94.01
         99 |        599        5.99      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 15 Jun 2016