Frequencies for first 10,000 rows of tbo_rec variable in natl2010 dataset :

Total Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,134       31.34       31.34
          2 |      2,591       25.91       57.25
          3 |      1,684       16.84       74.09
          4 |      1,054       10.54       84.63
          5 |        577        5.77       90.40
          6 |        346        3.46       93.86
          7 |        203        2.03       95.89
          8 |        303        3.03       98.92
          9 |        108        1.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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