Frequencies for first 10,000 rows of fda_dt variable in demo2018q4 dataset :

   Date FDA |
   received |
       Case |      Freq.     Percent        Cum.
------------+-----------------------------------
   2.02e+07 |          1        0.01        0.01
   2.02e+07 |          1        0.01        0.02
   2.02e+07 |          1        0.01        0.03
   2.02e+07 |          1        0.01        0.04
   2.02e+07 |          1        0.01        0.05
   2.02e+07 |          1        0.01        0.06
   2.02e+07 |          1        0.01        0.07
   2.02e+07 |          2        0.02        0.09
   2.02e+07 |          1        0.01        0.10
   2.02e+07 |          2        0.02        0.12
   2.02e+07 |          1        0.01        0.13
   2.02e+07 |          1        0.01        0.14
   2.02e+07 |          1        0.01        0.15
   2.02e+07 |          1        0.01        0.16
   2.02e+07 |          2        0.02        0.18
   2.02e+07 |          2        0.02        0.20
   2.02e+07 |        162        1.62        1.82
   2.02e+07 |         98        0.98        2.80
   2.02e+07 |        110        1.10        3.90
   2.02e+07 |        122        1.22        5.12
   2.02e+07 |        128        1.28        6.40
   2.02e+07 |         12        0.12        6.52
   2.02e+07 |          3        0.03        6.55
   2.02e+07 |        136        1.36        7.91
   2.02e+07 |        117        1.17        9.08
   2.02e+07 |        108        1.08       10.16
   2.02e+07 |        111        1.11       11.27
   2.02e+07 |        100        1.00       12.27
   2.02e+07 |          7        0.07       12.34
   2.02e+07 |         11        0.11       12.45
   2.02e+07 |        145        1.45       13.90
   2.02e+07 |        154        1.54       15.44
   2.02e+07 |        137        1.37       16.81
   2.02e+07 |        148        1.48       18.29
   2.02e+07 |        149        1.49       19.78
   2.02e+07 |          4        0.04       19.82
   2.02e+07 |          6        0.06       19.88
   2.02e+07 |        105        1.05       20.93
   2.02e+07 |        150        1.50       22.43
   2.02e+07 |        128        1.28       23.71
   2.02e+07 |        154        1.54       25.25
   2.02e+07 |        150        1.50       26.75
   2.02e+07 |         21        0.21       26.96
   2.02e+07 |         10        0.10       27.06
   2.02e+07 |        189        1.89       28.95
   2.02e+07 |        148        1.48       30.43
   2.02e+07 |        153        1.53       31.96
   2.02e+07 |         98        0.98       32.94
   2.02e+07 |        131        1.31       34.25
   2.02e+07 |          6        0.06       34.31
   2.02e+07 |         49        0.49       34.80
   2.02e+07 |        183        1.83       36.63
   2.02e+07 |        102        1.02       37.65
   2.02e+07 |        119        1.19       38.84
   2.02e+07 |         96        0.96       39.80
   2.02e+07 |        131        1.31       41.11
   2.02e+07 |          6        0.06       41.17
   2.02e+07 |          9        0.09       41.26
   2.02e+07 |        129        1.29       42.55
   2.02e+07 |        160        1.60       44.15
   2.02e+07 |        142        1.42       45.57
   2.02e+07 |         96        0.96       46.53
   2.02e+07 |        155        1.55       48.08
   2.02e+07 |         11        0.11       48.19
   2.02e+07 |         11        0.11       48.30
   2.02e+07 |        137        1.37       49.67
   2.02e+07 |        166        1.66       51.33
   2.02e+07 |        119        1.19       52.52
   2.02e+07 |         87        0.87       53.39
   2.02e+07 |        217        2.17       55.56
   2.02e+07 |         25        0.25       55.81
   2.02e+07 |         11        0.11       55.92
   2.02e+07 |        259        2.59       58.51
   2.02e+07 |        172        1.72       60.23
   2.02e+07 |        136        1.36       61.59
   2.02e+07 |        149        1.49       63.08
   2.02e+07 |        114        1.14       64.22
   2.02e+07 |         23        0.23       64.45
   2.02e+07 |          9        0.09       64.54
   2.02e+07 |        125        1.25       65.79
   2.02e+07 |        132        1.32       67.11
   2.02e+07 |        129        1.29       68.40
   2.02e+07 |        145        1.45       69.85
   2.02e+07 |        133        1.33       71.18
   2.02e+07 |         17        0.17       71.35
   2.02e+07 |          8        0.08       71.43
   2.02e+07 |        199        1.99       73.42
   2.02e+07 |        188        1.88       75.30
   2.02e+07 |        208        2.08       77.38
   2.02e+07 |        172        1.72       79.10
   2.02e+07 |        190        1.90       81.00
   2.02e+07 |         16        0.16       81.16
   2.02e+07 |         33        0.33       81.49
   2.02e+07 |        195        1.95       83.44
   2.02e+07 |        254        2.54       85.98
   2.02e+07 |        208        2.08       88.06
   2.02e+07 |        230        2.30       90.36
   2.02e+07 |        208        2.08       92.44
   2.02e+07 |         15        0.15       92.59
   2.02e+07 |         14        0.14       92.73
   2.02e+07 |         90        0.90       93.63
   2.02e+07 |         38        0.38       94.01
   2.02e+07 |        158        1.58       95.59
   2.02e+07 |        196        1.96       97.55
   2.02e+07 |        138        1.38       98.93
   2.02e+07 |         14        0.14       99.07
   2.02e+07 |         19        0.19       99.26
   2.02e+07 |         74        0.74      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Mar 2019