Frequencies for first 10,000 rows of op_psych_srvc_cd variable in pos2016 dataset : Services: | Outpatient | Psychiatric | Code | Freq. Percent Cum. ------------+----------------------------------- . | 8,569 85.69 85.69 0 | 1,266 12.66 98.35 1 | 110 1.10 99.45 2 | 22 0.22 99.67 3 | 33 0.33 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Jan 2017