Frequencies for first 10,000 rows of fda_dt variable in demo2004q4 dataset :

   Date FDA |
   received |
     report |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.00e+07 |          2        0.02        0.02
   2.00e+07 |          1        0.01        0.03
   2.00e+07 |          2        0.02        0.05
   2.00e+07 |          1        0.01        0.06
   2.00e+07 |          2        0.02        0.08
   2.00e+07 |          2        0.02        0.10
   2.00e+07 |          1        0.01        0.11
   2.00e+07 |          1        0.01        0.12
   2.00e+07 |          1        0.01        0.13
   2.00e+07 |          1        0.01        0.14
   2.00e+07 |          1        0.01        0.15
   2.00e+07 |          2        0.02        0.17
   2.00e+07 |          1        0.01        0.18
   2.00e+07 |          2        0.02        0.20
   2.00e+07 |          1        0.01        0.21
   2.00e+07 |          1        0.01        0.22
   2.00e+07 |          1        0.01        0.23
   2.00e+07 |          1        0.01        0.24
   2.00e+07 |          1        0.01        0.25
   2.00e+07 |          3        0.03        0.28
   2.00e+07 |          2        0.02        0.30
   2.00e+07 |          7        0.07        0.37
   2.00e+07 |          1        0.01        0.38
   2.00e+07 |         29        0.29        0.67
   2.00e+07 |          1        0.01        0.68
   2.00e+07 |          1        0.01        0.69
   2.00e+07 |          3        0.03        0.72
   2.00e+07 |         25        0.25        0.97
   2.00e+07 |          7        0.07        1.04
   2.00e+07 |          2        0.02        1.06
   2.00e+07 |          1        0.01        1.07
   2.00e+07 |        155        1.55        2.62
   2.00e+07 |          1        0.01        2.63
   2.00e+07 |          1        0.01        2.64
   2.00e+07 |        802        8.02       10.66
   2.00e+07 |          1        0.01       10.67
   2.00e+07 |      1,072       10.72       21.39
   2.00e+07 |        606        6.06       27.45
   2.00e+07 |        694        6.94       34.39
   2.00e+07 |        716        7.16       41.55
   2.00e+07 |      1,161       11.61       53.16
   2.00e+07 |          1        0.01       53.17
   2.00e+07 |        406        4.06       57.23
   2.00e+07 |      1,230       12.30       69.53
   2.00e+07 |        894        8.94       78.47
   2.00e+07 |        682        6.82       85.29
   2.00e+07 |        505        5.05       90.34
   2.00e+07 |        145        1.45       91.79
   2.00e+07 |        565        5.65       97.44
   2.00e+07 |        256        2.56      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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