Pulled this from official forums. Looks like locks are mediocre at best. Some of the guilds don't even have a warlock.
http://us.battle.net/wow/en/forum/topic/15084518326 originalI've consolidated all the logs of wod bosses I can find from u.s. top end guilds based on soo progress from u.s. 1st to u.s. ~30th on both 10m and 25m.
http://www.warcraftlogs.com/reports/...e-done&fight=5
http://www.warcraftlogs.com/reports/...e-done&fight=9
http://www.warcraftlogs.com/reports/...e-done&fight=2
http://www.warcraftlogs.com/reports/...e-done&fight=6
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=9
http://www.warcraftlogs.com/reports/...e-done&fight=1
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=3
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=8
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...-done&fight=58
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=9
http://www.warcraftlogs.com/reports/...e-done&fight=7
http://www.warcraftlogs.com/reports/...e-done&fight=2
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=3
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=3
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=1
http://www.warcraftlogs.com/reports/...e-done&fight=2
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=2
http://www.warcraftlogs.com/reports/...e-done&fight=5
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=3
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=3
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=9
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=1
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...e-done&fight=2
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
http://www.warcraftlogs.com/reports/...pe=damage-done
tldr: approximations 13%(22 out of 164) of those logs didn't even have a lock, but hey, who cares!
all 3 specs, with destru being highest, approximate 35%
High dps Outliers(between 1st dps to top 20%):~10%(amount ~28)
More outliers(between last 80% to 60% dps):~10-15%(amount ~39)
Average(between last 30-60% on dps):~50%(amount ~144)
Low dps outliers(last dps to last 30% on dps) : ~25-30%(amount ~71)
weighted average in the last 35-45% of the dps.
Weird, approximations basically the same as from those 10 logs in OP. What a coincident!
These are rough approximations.
All these logs were from pre-boomie super buff, pre-ele buff, pre shadow buff with the exception of first 2 logs. Had they been post-buff we would be even lower than 35-45%.