Frequencies for first 10,000 rows of pdtry_srvc_onst_rsdnt_sw variable in pos1999 dataset : srv: | podiatry-on | site-reside | nts | Freq. Percent Cum. ------------+----------------------------------- | 7,387 73.87 73.87 N | 676 6.76 80.63 Y | 1,937 19.37 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017