Frequencies for first 10,000 rows of physn_ext_prtm_cnt variable in pos2008 dataset : physician | extender - | part time | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,975 99.75 99.75 .01 | 2 0.02 99.77 .03 | 4 0.04 99.81 .09 | 2 0.02 99.83 .11 | 2 0.02 99.85 .14 | 3 0.03 99.88 .2 | 1 0.01 99.89 .29 | 1 0.01 99.90 .34 | 1 0.01 99.91 .36 | 1 0.01 99.92 .43 | 1 0.01 99.93 .46 | 2 0.02 99.95 .69 | 3 0.03 99.98 .86 | 1 0.01 99.99 5.37 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017