Frequencies for first 10,000 rows of ilp_r11 variable in natlterr2014 dataset :

   Interval |
 Since Last |
  Pregnancy |
  Recode 11 |
 00 Zero to |
   3 months |
 (plural de |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |         60        0.60        0.60
          1 |        238        2.38        2.98
          2 |        792        7.92       10.90
          3 |        740        7.40       18.30
          4 |      1,026       10.26       28.56
          5 |        648        6.48       35.04
          6 |        468        4.68       39.72
          7 |        323        3.23       42.95
          8 |        946        9.46       52.41
         88 |      3,313       33.13       85.54
         99 |        369        3.69       89.23
          . |      1,077       10.77      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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