Frequencies for first 10,000 rows of ovrrd_stfg_sw variable in pos2011 dataset : Regional | Override # | 2 | (Staffing) | Freq. Percent Cum. ------------+----------------------------------- | 2 0.02 0.02 N | 8,782 87.82 87.84 Y | 1,216 12.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 20 Apr 2019