Frequencies for first 10,000 rows of fda_dt variable in demo2012q1 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 |          2        0.02        0.07
   2.01e+07 |          2        0.02        0.09
   2.01e+07 |          1        0.01        0.10
   2.01e+07 |          1        0.01        0.11
   2.01e+07 |          1        0.01        0.12
   2.01e+07 |          1        0.01        0.13
   2.01e+07 |          1        0.01        0.14
   2.01e+07 |          1        0.01        0.15
   2.01e+07 |          1        0.01        0.16
   2.01e+07 |          1        0.01        0.17
   2.01e+07 |          1        0.01        0.18
   2.01e+07 |          1        0.01        0.19
   2.01e+07 |          1        0.01        0.20
   2.01e+07 |          2        0.02        0.22
   2.01e+07 |          1        0.01        0.23
   2.01e+07 |          2        0.02        0.25
   2.01e+07 |          1        0.01        0.26
   2.01e+07 |          1        0.01        0.27
   2.01e+07 |          2        0.02        0.29
   2.01e+07 |          1        0.01        0.30
   2.01e+07 |          1        0.01        0.31
   2.01e+07 |          1        0.01        0.32
   2.01e+07 |          1        0.01        0.33
   2.01e+07 |          1        0.01        0.34
   2.01e+07 |          2        0.02        0.36
   2.01e+07 |        782        7.82        8.18
   2.01e+07 |      3,200       32.00       40.18
   2.01e+07 |      2,260       22.60       62.78
   2.01e+07 |      2,720       27.20       89.98
   2.01e+07 |      1,002       10.02      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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