Frequencies for first 10,000 rows of nuclr_mdcn_tchncn_cnt variable in pos2009 dataset : NUCLEAR | MEDICINE | TECHNICIANS | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,815 98.15 98.15 .25 | 14 0.14 98.29 .5 | 6 0.06 98.35 .75 | 1 0.01 98.36 .8 | 1 0.01 98.37 .81 | 1 0.01 98.38 .9 | 1 0.01 98.39 1 | 79 0.79 99.18 1.1 | 1 0.01 99.19 1.25 | 2 0.02 99.21 1.5 | 2 0.02 99.23 1.58 | 1 0.01 99.24 1.6 | 2 0.02 99.26 1.8 | 1 0.01 99.27 2 | 29 0.29 99.56 2.09 | 1 0.01 99.57 2.38 | 1 0.01 99.58 2.84 | 1 0.01 99.59 2.85 | 1 0.01 99.60 2.9 | 1 0.01 99.61 3 | 16 0.16 99.77 3.4 | 1 0.01 99.78 3.43 | 1 0.01 99.79 4 | 8 0.08 99.87 4.08 | 1 0.01 99.88 4.72 | 1 0.01 99.89 5 | 1 0.01 99.90 6 | 4 0.04 99.94 7 | 1 0.01 99.95 8 | 2 0.02 99.97 8.25 | 1 0.01 99.98 11 | 1 0.01 99.99 12 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017