Frequencies for first 10,000 rows of tbo_rec variable in natl2005 dataset :

Total Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,009       30.09       30.09
          2 |      2,656       26.56       56.65
          3 |      1,778       17.78       74.43
          4 |      1,046       10.46       84.89
          5 |        620        6.20       91.09
          6 |        339        3.39       94.48
          7 |        222        2.22       96.70
          8 |        298        2.98       99.68
          9 |         32        0.32      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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