Frequencies for first 10,000 rows of pt_onst_rsdnt_sw variable in pos2000 dataset : srv: phys | ther-onsite | -residents | Freq. Percent Cum. ------------+----------------------------------- | 7,362 73.62 73.62 N | 245 2.45 76.07 Y | 2,393 23.93 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017