Frequencies for first 10,000 rows of fda_dt variable in demo2009q2 dataset :

   Date FDA |
   received |
     report |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.01e+07 |          1        0.01        0.01
   2.01e+07 |          1        0.01        0.02
   2.01e+07 |          1        0.01        0.03
   2.01e+07 |          1        0.01        0.04
   2.01e+07 |          1        0.01        0.05
   2.01e+07 |          1        0.01        0.06
   2.01e+07 |          1        0.01        0.07
   2.01e+07 |          1        0.01        0.08
   2.01e+07 |          1        0.01        0.09
   2.01e+07 |          2        0.02        0.11
   2.01e+07 |          1        0.01        0.12
   2.01e+07 |          1        0.01        0.13
   2.01e+07 |          6        0.06        0.19
   2.01e+07 |          2        0.02        0.21
   2.01e+07 |          1        0.01        0.22
   2.01e+07 |          3        0.03        0.25
   2.01e+07 |          1        0.01        0.26
   2.01e+07 |          2        0.02        0.28
   2.01e+07 |          1        0.01        0.29
   2.01e+07 |          5        0.05        0.34
   2.01e+07 |          5        0.05        0.39
   2.01e+07 |          1        0.01        0.40
   2.01e+07 |          1        0.01        0.41
   2.01e+07 |          1        0.01        0.42
   2.01e+07 |          1        0.01        0.43
   2.01e+07 |          1        0.01        0.44
   2.01e+07 |          1        0.01        0.45
   2.01e+07 |          1        0.01        0.46
   2.01e+07 |          2        0.02        0.48
   2.01e+07 |          2        0.02        0.50
   2.01e+07 |          2        0.02        0.52
   2.01e+07 |          1        0.01        0.53
   2.01e+07 |          1        0.01        0.54
   2.01e+07 |          2        0.02        0.56
   2.01e+07 |          1        0.01        0.57
   2.01e+07 |      1,454       14.54       15.11
   2.01e+07 |      1,835       18.35       33.46
   2.01e+07 |      1,737       17.37       50.83
   2.01e+07 |         19        0.19       51.02
   2.01e+07 |      1,683       16.83       67.85
   2.01e+07 |      1,335       13.35       81.20
   2.01e+07 |      1,316       13.16       94.36
   2.01e+07 |        564        5.64      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Dec 2015