Frequencies for first 10,000 rows of mlt_site_excptn_sw variable in posclia2013 Multiple | Site | Certificate | Indicator | Freq. Percent Cum. ------------+----------------------------------- N | 9,703 97.03 97.03 Y | 297 2.97 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016