What percentage of the online player pool uses a HUD (Heads up Display)?

Hi Everyone,

I generally play microstakes online at BOL and I am trying to guage whether or not I have a significant edge on most players by using a Heads up Display. I realize that obviously not all players use a HUD, however, I was wondering about what percentage of the players pool are using it.

Would you say all players except the obvious fish (VPIP 40+ , PFR <10%) are using it?

50% of the player pool is using it?

30% or less?

Since there is a free HUD available, it actually should be 100% for people, recreational or regular, who take it seriously. But I'm keen to know how much it is indeed. A poll would have been a good idea.