Frequencies for first 10,000 rows of fda_dt variable in demo2011q4 dataset :

   Date FDA |
   received |
     report |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.01e+07 |          1        0.01        0.01
   2.01e+07 |          5        0.05        0.06
   2.01e+07 |          1        0.01        0.07
   2.01e+07 |          1        0.01        0.08
   2.01e+07 |         10        0.10        0.18
   2.01e+07 |          2        0.02        0.20
   2.01e+07 |          2        0.02        0.22
   2.01e+07 |          1        0.01        0.23
   2.01e+07 |          4        0.04        0.27
   2.01e+07 |          1        0.01        0.28
   2.01e+07 |          2        0.02        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 |          3        0.03        0.36
   2.01e+07 |          1        0.01        0.37
   2.01e+07 |          1        0.01        0.38
   2.01e+07 |          1        0.01        0.39
   2.01e+07 |          2        0.02        0.41
   2.01e+07 |          3        0.03        0.44
   2.01e+07 |          1        0.01        0.45
   2.01e+07 |          2        0.02        0.47
   2.01e+07 |          3        0.03        0.50
   2.01e+07 |          1        0.01        0.51
   2.01e+07 |          1        0.01        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 |          2        0.02        0.58
   2.01e+07 |          2        0.02        0.60
   2.01e+07 |          3        0.03        0.63
   2.01e+07 |          4        0.04        0.67
   2.01e+07 |          2        0.02        0.69
   2.01e+07 |          3        0.03        0.72
   2.01e+07 |          1        0.01        0.73
   2.01e+07 |          1        0.01        0.74
   2.01e+07 |          1        0.01        0.75
   2.01e+07 |          2        0.02        0.77
   2.01e+07 |          2        0.02        0.79
   2.01e+07 |          2        0.02        0.81
   2.01e+07 |          2        0.02        0.83
   2.01e+07 |          1        0.01        0.84
   2.01e+07 |          1        0.01        0.85
   2.01e+07 |          3        0.03        0.88
   2.01e+07 |          2        0.02        0.90
   2.01e+07 |         45        0.45        1.35
   2.01e+07 |      2,687       26.87       28.22
   2.01e+07 |      2,368       23.68       51.90
   2.01e+07 |      2,167       21.67       73.57
   2.01e+07 |      1,903       19.03       92.60
   2.01e+07 |        740        7.40      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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