Frequencies for first 10,000 rows of cl_srvc_onst_nrsdnt_sw variable in pos2009 dataset : SRV: | CLINICAL | LAB-ONSITE- | NON RES | Freq. Percent Cum. ------------+----------------------------------- | 7,657 76.57 76.57 N | 2,295 22.95 99.52 Y | 48 0.48 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017