Frequencies for fyb variable in esa_costs265_11_2013 dataset :

Fiscal Year |
      Begin |      Freq.     Percent        Cum.
------------+-----------------------------------
  01apr2012 |          2        1.53        1.53
  01may2012 |          1        0.76        2.29
  22jun2012 |          1        0.76        3.05
  01jul2012 |         18       13.74       16.79
  01jan2013 |        104       79.39       96.18
  07mar2013 |          1        0.76       96.95
  26mar2013 |          1        0.76       97.71
  24apr2013 |          1        0.76       98.47
  29may2013 |          1        0.76       99.24
  27sep2013 |          1        0.76      100.00
------------+-----------------------------------
      Total |        131      100.00

by Jean Roth , jroth@nber.org , 24 Aug 2018