If you answer that, then my next question is, how can plotting shows like Futurama, Charmed and Buffy on the same Graph as SG1 and Bstar explain anything?
I'm not sure how well it 'explains' Tv but it does provide an interesting overview. It does suggest that now is either a particularly good or a particularly bad time to launch a new TV franchise, though.
The list of surveyed programs is interesting. I had no idea there was a series called Tattooed Teenage Alien Fighters from Beverly Hills, and am astonished it managed to last for 3 seasons.
They trend downwards because Lexx went off the air around that time, then everybody realized how crappy SF/F was without Lexx around to give it all some levity.
If you answer that, then my next question is, how can plotting shows like Futurama, Charmed and Buffy on the same Graph as SG1 and Bstar explain anything?