Frequencies for first 10,000 rows of fda_dt variable in demo2011q2 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 |          1        0.01        0.10
   2.01e+07 |          1        0.01        0.11
   2.01e+07 |          2        0.02        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 |          2        0.02        0.21
   2.01e+07 |          2        0.02        0.23
   2.01e+07 |          2        0.02        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 |          3        0.03        0.32
   2.01e+07 |          1        0.01        0.33
   2.01e+07 |      2,409       24.09       24.42
   2.01e+07 |         34        0.34       24.76
   2.01e+07 |         27        0.27       25.03
   2.01e+07 |      2,395       23.95       48.98
   2.01e+07 |      2,379       23.79       72.77
   2.01e+07 |      2,237       22.37       95.14
   2.01e+07 |        486        4.86      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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