What percentage of pilots are ordered to series? 20, 30%? 
And what about percentage of scripts that are ordered to pilot?

"They nominated episodes from shows like Rev., Misfits, Sherlock, Downton Abbey, The Thick Of It,Doctor Who, and The Line Of Duty."
Can anyone that has seen The Line of Duty tell me in a non-spoilery-sort-of-way if it is worth getting into?

I feel like this is one show that would improve tremendously if it was on regular cable, say FX or AMC, where many of the gratuitous scenes would not be allowed and they would be left with having to fill those spots in with ::shudder:: story.

at least Walt in this show has a purpose