Frequencies for first 10,000 rows of lbo_rec variable in natl2008 dataset :

 Live Birth |
      Order |
 Recode U;R |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      4,200       42.00       42.00
          2 |      3,269       32.69       74.69
          3 |      1,646       16.46       91.15
          4 |        560        5.60       96.75
          5 |        192        1.92       98.67
          6 |         73        0.73       99.40
          7 |         33        0.33       99.73
          8 |         19        0.19       99.92
          9 |          8        0.08      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 3 May 2016