Frequencies for first 10,000 rows of lbo_rec variable in natl2007 dataset :

 Live Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,937       39.37       39.37
          2 |      2,848       28.48       67.85
          3 |      1,648       16.48       84.33
          4 |        770        7.70       92.03
          5 |        391        3.91       95.94
          6 |        200        2.00       97.94
          7 |         93        0.93       98.87
          8 |         93        0.93       99.80
          9 |         20        0.20      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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