Frequencies for first 10,000 rows of tbo_rec variable in natl2007 dataset : Total Birth | Order | Recode U;R | Freq. Percent Cum. ------------+----------------------------------- 1 | 3,173 31.73 31.73 2 | 2,546 25.46 57.19 3 | 1,760 17.60 74.79 4 | 1,063 10.63 85.42 5 | 601 6.01 91.43 6 | 358 3.58 95.01 7 | 201 2.01 97.02 8 | 269 2.69 99.71 9 | 29 0.29 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015