Frequencies for first 10,000 rows of telceln variable in familyxx2008 dataset : working | cell phone | in family | Freq. Percent Cum. ------------+----------------------------------- 1 | 7,540 75.40 75.40 2 | 2,340 23.40 98.80 7 | 90 0.90 99.70 8 | 15 0.15 99.85 9 | 15 0.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 May 2016