July 2006 Cell Phone Numutes Used

Here is a summary of Cyndi and I's cell phone usage:

Anytime Minutes		415.0
Anytime Minutes Above Top Tier		10.0
Night & Weekend Minutes		306.0
Sprint Mobile to Mobile		1,135.0
Roaming Minutes		19.0
		1,885.0

Does anyone have any clue what those Anytime Minutes Above Top Tier are?