Frequencies for first 10,000 rows of fda_dt variable in demo2007q4 dataset : Date FDA | received | report | Freq. Percent Cum. ------------+----------------------------------- 2.01e+07 | 1 0.01 0.01 2.01e+07 | 2 0.02 0.03 2.01e+07 | 5 0.05 0.08 2.01e+07 | 1 0.01 0.09 2.01e+07 | 3 0.03 0.12 2.01e+07 | 1 0.01 0.13 2.01e+07 | 34 0.34 0.47 2.01e+07 | 1 0.01 0.48 2.01e+07 | 1 0.01 0.49 2.01e+07 | 1 0.01 0.50 2.01e+07 | 2 0.02 0.52 2.01e+07 | 2 0.02 0.54 2.01e+07 | 8 0.08 0.62 2.01e+07 | 1 0.01 0.63 2.01e+07 | 1 0.01 0.64 2.01e+07 | 8 0.08 0.72 2.01e+07 | 3 0.03 0.75 2.01e+07 | 3 0.03 0.78 2.01e+07 | 7 0.07 0.85 2.01e+07 | 1 0.01 0.86 2.01e+07 | 4 0.04 0.90 2.01e+07 | 1 0.01 0.91 2.01e+07 | 1 0.01 0.92 2.01e+07 | 5 0.05 0.97 2.01e+07 | 2 0.02 0.99 2.01e+07 | 4 0.04 1.03 2.01e+07 | 2 0.02 1.05 2.01e+07 | 1 0.01 1.06 2.01e+07 | 2 0.02 1.08 2.01e+07 | 1 0.01 1.09 2.01e+07 | 4 0.04 1.13 2.01e+07 | 1 0.01 1.14 2.01e+07 | 3 0.03 1.17 2.01e+07 | 1 0.01 1.18 2.01e+07 | 2 0.02 1.20 2.01e+07 | 6 0.06 1.26 2.01e+07 | 3 0.03 1.29 2.01e+07 | 2 0.02 1.31 2.01e+07 | 4 0.04 1.35 2.01e+07 | 1 0.01 1.36 2.01e+07 | 3 0.03 1.39 2.01e+07 | 2 0.02 1.41 2.01e+07 | 2 0.02 1.43 2.01e+07 | 1,441 14.41 15.84 2.01e+07 | 1,295 12.95 28.79 2.01e+07 | 1,095 10.95 39.74 2.01e+07 | 902 9.02 48.76 2.01e+07 | 1,216 12.16 60.92 2.01e+07 | 171 1.71 62.63 2.01e+07 | 757 7.57 70.20 2.01e+07 | 984 9.84 80.04 2.01e+07 | 641 6.41 86.45 2.01e+07 | 1,001 10.01 96.46 2.01e+07 | 354 3.54 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Dec 2015