Frequencies for first 10,000 rows of totord9 variable in natl1976 dataset : Total birth | order | recode | Freq. Percent Cum. ------------+----------------------------------- 1 | 4,074 40.74 40.74 2 | 2,874 28.74 69.48 3 | 1,506 15.06 84.54 4 | 720 7.20 91.74 5 | 345 3.45 95.19 6 | 168 1.68 96.87 7 | 107 1.07 97.94 8 | 178 1.78 99.72 9 | 28 0.28 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016