What do the dates in the New Klingon Words list refer to?

It seems that all of the dates for the qepHom words are from 2015.

The list says the first qepHom (in the narrow sense) occurred in 2002. 

 
  qepHom

  01/30/2015

  01/31/2015

  qepHom 9

  01/30/2015

  01/31/2015

  qepHom 10

  01/30/2015

  01/31/2015

  qepHom 11

  01/30/2015

  01/31/2015

  qepHom 12

  01/30/2015

  01/31/2015

  qepHom 13

  01/30/2015

  01/31/2015

  02/02/2015

  03/02/2015

  qepHom 14

  11/04/2015

  qepHom 2015 p.12

  10/30/2015

  11/03/2015

  qepHom 2015 p.13

  10/30/2015

  qepHom 2015 p.14

  10/30/2015

  qepHom 2015 p.18

  10/30/2015

  11/03/2015

  qepHom 2015 p.19

  10/30/2015

  qepHom 2015 p.20

  10/30/2015

  qepHom 2015 p.21

  10/30/2015

The words with just "qepHom" as the source are:

 
  beb
  mutlhwI'
 
  ghantoH
 
  jaQ
 
  jaQHa'
 
  majyang
 
  majyang mutlhwI'
 
  mutlh
 
  ngogh mutlhwI'
 
  pIQ
 
  pIQHa'
 
  qatlhDa'
 
  qorgh
 
  QemjIq
 
  taSman
 
  tlhIm
 
  vel
 
  velwI'
 
  wan
 
  wanHa'
 
  wejwa'
 
  'och mutlhwI'
 
  'o'wen
 
  'ul pat mutlhwI'

lay'tel SIvten

qepHom	01/30/2015	01/31/2015
qepHom 9	01/30/2015	01/31/2015
qepHom 10	01/30/2015	01/31/2015
qepHom 11	01/30/2015	01/31/2015
qepHom 12	01/30/2015	01/31/2015
qepHom 13	01/30/2015	01/31/2015	02/02/2015	03/02/2015
qepHom 14							11/04/2015
qepHom 2015 p.12					10/30/2015	11/03/2015
qepHom 2015 p.13					10/30/2015
qepHom 2015 p.14					10/30/2015
qepHom 2015 p.18					10/30/2015	11/03/2015
qepHom 2015 p.19					10/30/2015
qepHom 2015 p.20					10/30/2015
qepHom 2015 p.21					10/30/2015