Frequencies for first 10,000 rows of ot_srvc_cd variable in pos2009 dataset : SRV: | OCCUPATIONA | L THERAPY | Freq. Percent Cum. ------------+----------------------------------- | 5,414 54.14 54.14 0 | 1,261 12.61 66.75 1 | 1,429 14.29 81.04 2 | 1,561 15.61 96.65 3 | 335 3.35 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017