Frequencies for first 10,000 rows of livord3 variable in natl1973 dataset : Live birth | order | Recode 3 | Freq. Percent Cum. ------------+----------------------------------- 1 | 4,356 43.56 43.56 2 | 5,594 55.94 99.50 3 | 50 0.50 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 3 Jan 2016