Frequencies for util_cd variable in prds_hosp10_yr2011 dataset : util_cd | Freq. Percent Cum. ------------+----------------------------------- F | 6,080 98.86 98.86 L | 29 0.47 99.33 N | 41 0.67 100.00 ------------+----------------------------------- Total | 6,150 100.00 by Jean Roth , jroth@nber.org , 24 Aug 2018