Frequencies for first 10,000 rows of plstc_srgry_sw variable in pos2018 dataset : Surgical | Specialty: | Plastic / | Reconstruct | ive | Freq. Percent Cum. ------------+----------------------------------- | 9,549 95.49 95.49 N | 294 2.94 98.43 Y | 157 1.57 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019