Frequencies for first 10,000 rows of tbo_rec variable in natl2006 dataset :

Total Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,080       30.80       30.80
          2 |      2,607       26.07       56.87
          3 |      1,771       17.71       74.58
          4 |      1,082       10.82       85.40
          5 |        614        6.14       91.54
          6 |        356        3.56       95.10
          7 |        204        2.04       97.14
          8 |        271        2.71       99.85
          9 |         15        0.15      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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