Frequencies for first 10,000 rows of blood_srvc_onst_nrsdnt_sw variable in pos2018 dataset : Services: | Blood | Administrat | ion On-Site | Nonre | Freq. Percent Cum. ------------+----------------------------------- | 7,570 75.70 75.70 N | 2,414 24.14 99.84 Y | 16 0.16 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019