Frequencies for first 10,000 rows of bfacil variable in natl2013 dataset : Birth Place | R | Freq. Percent Cum. ------------+----------------------------------- 1 | 9,378 93.78 93.78 2 | 458 4.58 98.36 3 | 140 1.40 99.76 4 | 6 0.06 99.82 5 | 3 0.03 99.85 6 | 8 0.08 99.93 7 | 4 0.04 99.97 9 | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015