Frequencies for performbeg variable in hvbp_quarters dataset :

Performance |
     Period |      Freq.     Percent        Cum.
------------+-----------------------------------
  01oct2012 |          3       11.54       11.54
  15oct2012 |          1        3.85       15.38
  01jan2013 |         20       76.92       92.31
  01feb2013 |          1        3.85       96.15
  01may2013 |          1        3.85      100.00
------------+-----------------------------------
      Total |         26      100.00

by Jean Roth , jroth@nber.org , 16 Nov 2016