First of all there's nothing wrong with Fallout 3 sales.
2. This site is only 3 years old and thus tracking current gen games (Half-Life 2 came out 2004). It's hard to receive data from 5 years ago, when the site didn't even exist at that time.
3. The Orange Box has outdated OTHERS sales. You can even see it on the gamepage. It's your fault when you refuse to think logically.