Frequencies for first 10,000 rows of fda_dt variable in demo2009q1 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 |          2        0.02        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 |          1        0.01        0.14
   2.01e+07 |          2        0.02        0.16
   2.01e+07 |          1        0.01        0.17
   2.01e+07 |          2        0.02        0.19
   2.01e+07 |          2        0.02        0.21
   2.01e+07 |          1        0.01        0.22
   2.01e+07 |          2        0.02        0.24
   2.01e+07 |          1        0.01        0.25
   2.01e+07 |          3        0.03        0.28
   2.01e+07 |          1        0.01        0.29
   2.01e+07 |          1        0.01        0.30
   2.01e+07 |         12        0.12        0.42
   2.01e+07 |        553        5.53        5.95
   2.01e+07 |          3        0.03        5.98
   2.01e+07 |      1,494       14.94       20.92
   2.01e+07 |      1,144       11.44       32.36
   2.01e+07 |      1,109       11.09       43.45
   2.01e+07 |      1,105       11.05       54.50
   2.01e+07 |      1,412       14.12       68.62
   2.01e+07 |          2        0.02       68.64
   2.01e+07 |         10        0.10       68.74
   2.01e+07 |      1,162       11.62       80.36
   2.01e+07 |        967        9.67       90.03
   2.01e+07 |        893        8.93       98.96
   2.01e+07 |        104        1.04      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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