In case you were wondering why everyone is getting fired at Condé Nast and not Hearst Publications, here’s a hint: Yesterday we found out that the latter might have $1 bill in their bank account, while today we know that Si Newhouse‘s publications lost a combined 8,359 ad pages from their monthly magazines in 2009.

Read on for a break down of some of the numbers

By the numbers:

- Architectural Digest lost a combined 49 percent.

- W magazine went down 46 percent.

- Details is down 39 percent overall, but compared to the same time last year, this December’s issue is actually down 59 percent (Architectural Digest had the exact same ratio for their December vs. December issue).

- Wired went down 39 percent.

- Glamour is actually up on its December vs. December number of ad pages (6.6 percent), though it lost a total of 20.3 percent this year.

A Big Drop in Ad Pages for Condé Nast –New York Times

Previously: More Trouble At Condé: September Ad Pages Drop