Frequencies for first 10,000 rows of ubfacil variable in linkpe2009psden dataset : Birth Place | U;R | Freq. Percent Cum. ------------+----------------------------------- 1 | 9,481 94.81 94.81 2 | 487 4.87 99.68 3 | 1 0.01 99.69 4 | 20 0.20 99.89 5 | 2 0.02 99.91 9 | 9 0.09 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Dec 2015