Frequencies for first 10,000 rows of ilop_r11 variable in natl2016 dataset :

   Interval |
 Since Last |
      Other |
  Pregnancy |
  Recode 11 |
 00 Zero to |
   3 months |
 (plural de |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        292        2.92        2.92
          2 |        431        4.31        7.23
          3 |        207        2.07        9.30
          4 |        288        2.88       12.18
          5 |        210        2.10       14.28
          6 |        181        1.81       16.09
          7 |        144        1.44       17.53
          8 |        491        4.91       22.44
         88 |      6,562       65.62       88.06
         99 |      1,194       11.94      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 4 Oct 2017