Call of Duty: Word at War: How long did it take you to reach Prestige 1?

Here’s a question to you Call of Duty World at War people:

How many game hours (according to the CoD clock) did it take for you to get through the ranks and reach the first prestige?

What game modes do you play to earn the most experience points? I see that Headquarters, Team Deathmatch, and Free for All are the most popular of the regular “core” difficulty level.

As a below average player I’ve been playing 26+ hours and I’m only at level 52.