Frequencies for d_5_hos_c4_95 variable in prds_hosp10_yr2017 dataset : Ambulance | Services | D00A185 | 09500 | 00400 | Freq. Percent Cum. ------------+----------------------------------- . | 3,749 100.00 100.00 ------------+----------------------------------- Total | 3,749 100.00 by Jean Roth , jroth@nber.org , 26 Oct 2018