Frequencies for first 10,000 rows of fda_dt variable in demo2018q2 dataset :

   Date FDA |
   received |
       Case |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.02e+07 |          8        0.08        0.08
   2.02e+07 |        131        1.31        1.39
   2.02e+07 |        117        1.17        2.56
   2.02e+07 |        167        1.67        4.23
   2.02e+07 |        110        1.10        5.33
   2.02e+07 |        133        1.33        6.66
   2.02e+07 |         25        0.25        6.91
   2.02e+07 |         12        0.12        7.03
   2.02e+07 |        128        1.28        8.31
   2.02e+07 |        122        1.22        9.53
   2.02e+07 |        121        1.21       10.74
   2.02e+07 |        117        1.17       11.91
   2.02e+07 |        119        1.19       13.10
   2.02e+07 |         19        0.19       13.29
   2.02e+07 |         14        0.14       13.43
   2.02e+07 |        118        1.18       14.61
   2.02e+07 |        110        1.10       15.71
   2.02e+07 |         94        0.94       16.65
   2.02e+07 |        112        1.12       17.77
   2.02e+07 |        158        1.58       19.35
   2.02e+07 |         22        0.22       19.57
   2.02e+07 |         37        0.37       19.94
   2.02e+07 |        141        1.41       21.35
   2.02e+07 |        166        1.66       23.01
   2.02e+07 |        116        1.16       24.17
   2.02e+07 |        137        1.37       25.54
   2.02e+07 |        141        1.41       26.95
   2.02e+07 |         13        0.13       27.08
   2.02e+07 |         13        0.13       27.21
   2.02e+07 |        168        1.68       28.89
   2.02e+07 |         65        0.65       29.54
   2.02e+07 |        119        1.19       30.73
   2.02e+07 |        130        1.30       32.03
   2.02e+07 |        127        1.27       33.30
   2.02e+07 |          5        0.05       33.35
   2.02e+07 |          7        0.07       33.42
   2.02e+07 |        184        1.84       35.26
   2.02e+07 |        116        1.16       36.42
   2.02e+07 |        121        1.21       37.63
   2.02e+07 |        122        1.22       38.85
   2.02e+07 |        129        1.29       40.14
   2.02e+07 |         13        0.13       40.27
   2.02e+07 |          3        0.03       40.30
   2.02e+07 |        120        1.20       41.50
   2.02e+07 |      1,199       11.99       53.49
   2.02e+07 |        105        1.05       54.54
   2.02e+07 |        172        1.72       56.26
   2.02e+07 |        152        1.52       57.78
   2.02e+07 |          6        0.06       57.84
   2.02e+07 |         10        0.10       57.94
   2.02e+07 |        155        1.55       59.49
   2.02e+07 |        117        1.17       60.66
   2.02e+07 |        111        1.11       61.77
   2.02e+07 |        133        1.33       63.10
   2.02e+07 |        171        1.71       64.81
   2.02e+07 |         14        0.14       64.95
   2.02e+07 |         27        0.27       65.22
   2.02e+07 |         85        0.85       66.07
   2.02e+07 |        157        1.57       67.64
   2.02e+07 |        124        1.24       68.88
   2.02e+07 |        140        1.40       70.28
   2.02e+07 |        160        1.60       71.88
   2.02e+07 |          6        0.06       71.94
   2.02e+07 |         18        0.18       72.12
   2.02e+07 |        146        1.46       73.58
   2.02e+07 |        123        1.23       74.81
   2.02e+07 |        128        1.28       76.09
   2.02e+07 |        176        1.76       77.85
   2.02e+07 |        159        1.59       79.44
   2.02e+07 |          9        0.09       79.53
   2.02e+07 |         21        0.21       79.74
   2.02e+07 |        170        1.70       81.44
   2.02e+07 |        112        1.12       82.56
   2.02e+07 |        133        1.33       83.89
   2.02e+07 |        142        1.42       85.31
   2.02e+07 |        143        1.43       86.74
   2.02e+07 |          6        0.06       86.80
   2.02e+07 |         10        0.10       86.90
   2.02e+07 |        119        1.19       88.09
   2.02e+07 |        118        1.18       89.27
   2.02e+07 |        121        1.21       90.48
   2.02e+07 |        141        1.41       91.89
   2.02e+07 |        158        1.58       93.47
   2.02e+07 |          7        0.07       93.54
   2.02e+07 |         18        0.18       93.72
   2.02e+07 |        149        1.49       95.21
   2.02e+07 |        127        1.27       96.48
   2.02e+07 |        111        1.11       97.59
   2.02e+07 |        117        1.17       98.76
   2.02e+07 |        114        1.14       99.90
   2.02e+07 |         10        0.10      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 8 Sep 2018