Leak Check: Defending Blinds

[Vyse]

I've been reading a couple of old, good threads on blind defense, and I'm interested in how uNL does with this. I will play back at someone stealing my blinds from the button if I know he's doing it. I will not do anything the first couple of times, but by the third or fourth I know it's habitual (and I should have some stats on him) and I will 3bet him every now and then to let him know.

About 17K hands this month -- not the biggest sample size but I have been playing my normal game.

Folded SB to Steal: 87.78%
Folded BB to Steal: 77.48%

I'm thinking both numbers are too low, and I'm sometimes feeling a bit too antsy to defend my blinds. What are some of your numbers and what's the general consensus to blind defense here at uNL?