Frequencies for first 10,000 rows of ot_srvc_cd variable in pos2005 dataset : srv: | occupationa | l therapy | Freq. Percent Cum. ------------+----------------------------------- | 6,349 63.49 63.49 0 | 738 7.38 70.87 1 | 1,088 10.88 81.75 2 | 1,382 13.82 95.57 3 | 443 4.43 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017