Frequencies for first 10,000 rows of ot_srvc_cd variable in pos2010 dataset : SRV: | OCCUPATIONA | L THERAPY | Freq. Percent Cum. ------------+----------------------------------- | 5,503 55.03 55.03 0 | 1,256 12.56 67.59 1 | 1,422 14.22 81.81 2 | 1,502 15.02 96.83 3 | 317 3.17 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017