Frequencies for first 10,000 rows of nuclr_mdcn_tchncn_cnt variable in pos2010 dataset : NUCLEAR | MEDICINE | TECHNICIANS | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,795 97.95 97.95 .25 | 13 0.13 98.08 .5 | 5 0.05 98.13 .75 | 1 0.01 98.14 .8 | 1 0.01 98.15 .81 | 1 0.01 98.16 .9 | 1 0.01 98.17 1 | 80 0.80 98.97 1.1 | 1 0.01 98.98 1.25 | 1 0.01 98.99 1.5 | 2 0.02 99.01 1.58 | 1 0.01 99.02 1.6 | 2 0.02 99.04 1.75 | 1 0.01 99.05 1.8 | 1 0.01 99.06 1.9 | 1 0.01 99.07 2 | 34 0.34 99.41 2.09 | 1 0.01 99.42 2.38 | 1 0.01 99.43 2.5 | 1 0.01 99.44 2.85 | 1 0.01 99.45 2.9 | 1 0.01 99.46 3 | 19 0.19 99.65 3.1 | 1 0.01 99.66 3.3 | 1 0.01 99.67 3.43 | 1 0.01 99.68 3.6 | 1 0.01 99.69 4 | 11 0.11 99.80 4.07 | 1 0.01 99.81 4.08 | 1 0.01 99.82 5 | 1 0.01 99.83 5.1 | 1 0.01 99.84 6 | 5 0.05 99.89 6.86 | 1 0.01 99.90 7 | 1 0.01 99.91 8 | 2 0.02 99.93 8.5 | 1 0.01 99.94 11 | 2 0.02 99.96 12 | 1 0.01 99.97 14 | 1 0.01 99.98 34 | 1 0.01 99.99 54.6 | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017