Frequencies for y2011 variable in cbsatocountycrosswalk dataset : Present in | 2011 source | file | Freq. Percent Cum. ------------+----------------------------------- 2011 | 3,289 99.88 99.88 . | 4 0.12 100.00 ------------+----------------------------------- Total | 3,293 100.00 by Jean Roth , jroth@nber.org , 20 Dec 2016