Frequencies for first 10,000 rows of eventnum variable in cevent dataset :

      Event |
     Number |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |      3,068       30.68       30.68
          2 |      2,241       22.41       53.09
          3 |      1,732       17.32       70.41
          4 |      1,228       12.28       82.69
          5 |        740        7.40       90.09
          6 |        439        4.39       94.48
          7 |        241        2.41       96.89
          8 |        123        1.23       98.12
          9 |         80        0.80       98.92
         10 |         42        0.42       99.34
         11 |         25        0.25       99.59
         12 |         14        0.14       99.73
         13 |         11        0.11       99.84
         14 |          6        0.06       99.90
         15 |          4        0.04       99.94
         16 |          2        0.02       99.96
         17 |          2        0.02       99.98
         18 |          1        0.01       99.99
         19 |          1        0.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 18 Apr 2016