Aggression number in poker tracker.

I play very tight preflop, and I believe I'm a bit of a maniac post flop. Do my aggression numbers on the flop/turn seem high to you guys?

This is over 10k hands in full ring games. 8+ people.

Aggression #'s

Preflop .58
Flop 4.24
Turn 4.18
river 1.36

Overall 1.62


My flop/turn #seem a bit high to you guys?
I'll look for some hands later to post with.