I went to the Neilson's website once (I forget what it is now) looking for the same thing.
They said they dont disclose ratings like that because they dont want that information to sway anyone's viewing habits.
For example, if you usually watch SHOW A on Monday nights, but find out that SHOW B's ratings are three times higher than the show you usually watch, you might be influenced to watch show SHOW B to see what all the hubbub is about.
You're Lulu. You seem a little insensitive to those who don't know you very well, due to your cynical nature. Your mind is always thinking of things, big and small. You have a tough time of letting go of the past.