Frequencies for first 10,000 rows of physn_ext_cntrct_cnt variable in pos2003 dataset : physician | extender - | contract | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,710 97.10 97.10 .01 | 25 0.25 97.35 .03 | 23 0.23 97.58 .04 | 5 0.05 97.63 .06 | 36 0.36 97.99 .07 | 5 0.05 98.04 .09 | 10 0.10 98.14 .1 | 1 0.01 98.15 .11 | 53 0.53 98.68 .14 | 17 0.17 98.85 .17 | 13 0.13 98.98 .21 | 5 0.05 99.03 .23 | 25 0.25 99.28 .26 | 3 0.03 99.31 .29 | 13 0.13 99.44 .34 | 11 0.11 99.55 .36 | 3 0.03 99.58 .43 | 6 0.06 99.64 .46 | 8 0.08 99.72 .53 | 1 0.01 99.73 .57 | 4 0.04 99.77 .67 | 1 0.01 99.78 .69 | 3 0.03 99.81 .71 | 2 0.02 99.83 .8 | 1 0.01 99.84 .91 | 1 0.01 99.85 .93 | 1 0.01 99.86 1 | 2 0.02 99.88 1.06 | 1 0.01 99.89 1.14 | 5 0.05 99.94 1.29 | 1 0.01 99.95 1.37 | 1 0.01 99.96 2.29 | 2 0.02 99.98 28.57 | 1 0.01 99.99 42.86 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017