Frequencies for first 10,000 rows of thrptc_rcrtnl_cntrct_cnt variable in pos2007 dataset : ther rec | spec - | contract | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,889 98.89 98.89 .01 | 4 0.04 98.93 .03 | 16 0.16 99.09 .04 | 4 0.04 99.13 .06 | 33 0.33 99.46 .09 | 5 0.05 99.51 .11 | 20 0.20 99.71 .14 | 2 0.02 99.73 .17 | 1 0.01 99.74 .19 | 1 0.01 99.75 .21 | 1 0.01 99.76 .23 | 2 0.02 99.78 .29 | 4 0.04 99.82 .36 | 2 0.02 99.84 .43 | 1 0.01 99.85 .46 | 2 0.02 99.87 .57 | 4 0.04 99.91 .83 | 1 0.01 99.92 1 | 1 0.01 99.93 1.01 | 1 0.01 99.94 1.14 | 3 0.03 99.97 2.06 | 1 0.01 99.98 11.43 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 17 May 2017