Frequencies for first 10,000 rows of prov2725 variable in pos1997 dataset : subunit | indicator | Freq. Percent Cum. ------------+----------------------------------- | 8,629 86.29 86.29 N | 1,174 11.74 98.03 Y | 197 1.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016