Frequencies for first 10,000 rows of nrsng_srvc_cd variable in pos2016 dataset : Services: | Nursing | Code | Freq. Percent Cum. ------------+----------------------------------- . | 8,241 82.41 82.41 1 | 1,697 16.97 99.38 2 | 4 0.04 99.42 3 | 58 0.58 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Jan 2017