Frequencies for first 10,000 rows of fda_dt variable in demo2010q4 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 |          1        0.01        0.04
   2.01e+07 |          1        0.01        0.05
   2.01e+07 |          2        0.02        0.07
   2.01e+07 |          1        0.01        0.08
   2.01e+07 |          1        0.01        0.09
   2.01e+07 |          3        0.03        0.12
   2.01e+07 |          2        0.02        0.14
   2.01e+07 |          1        0.01        0.15
   2.01e+07 |          1        0.01        0.16
   2.01e+07 |          2        0.02        0.18
   2.01e+07 |          1        0.01        0.19
   2.01e+07 |          1        0.01        0.20
   2.01e+07 |          1        0.01        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 |          1        0.01        0.27
   2.01e+07 |          1        0.01        0.28
   2.01e+07 |          1        0.01        0.29
   2.01e+07 |          2        0.02        0.31
   2.01e+07 |          2        0.02        0.33
   2.01e+07 |          1        0.01        0.34
   2.01e+07 |          1        0.01        0.35
   2.01e+07 |          3        0.03        0.38
   2.01e+07 |          2        0.02        0.40
   2.01e+07 |          1        0.01        0.41
   2.01e+07 |          1        0.01        0.42
   2.01e+07 |          2        0.02        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 |          3        0.03        0.51
   2.01e+07 |          1        0.01        0.52
   2.01e+07 |          3        0.03        0.55
   2.01e+07 |          3        0.03        0.58
   2.01e+07 |          2        0.02        0.60
   2.01e+07 |          3        0.03        0.63
   2.01e+07 |          3        0.03        0.66
   2.01e+07 |          1        0.01        0.67
   2.01e+07 |          1        0.01        0.68
   2.01e+07 |      1,923       19.23       19.91
   2.01e+07 |          6        0.06       19.97
   2.01e+07 |        112        1.12       21.09
   2.01e+07 |      2,107       21.07       42.16
   2.01e+07 |      1,732       17.32       59.48
   2.01e+07 |      1,710       17.10       76.58
   2.01e+07 |      2,026       20.26       96.84
   2.01e+07 |        316        3.16      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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