Frequencies for first 10,000 rows of op_rehab_srvc_cd variable in pos2018 dataset : Services: | Outpatient | Rehabilitat | ion Code | Freq. Percent Cum. ------------+----------------------------------- . | 8,560 85.60 85.60 0 | 1,076 10.76 96.36 1 | 282 2.82 99.18 2 | 50 0.50 99.68 3 | 32 0.32 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019