I used to work in advertising. Some of my contacts tell me many people in that industry and in the City buy season tickets at Fulham, not because they support the club but because it's the only way and the cheapest way to see premier league football in London.
Our core base of foul-weather supporters is probably somewhere between 6,000-12,000. But, the longer we stay up, the more we will convert. And sometime we will will a cup or two.
Nogood "crunching numbers, isit" Boyo