2004 was the year numbers first jumped, due to a certain article in the cycling press.
2004 was the first year I did it. There were about 400 I think. That was a nice number. Not too congested getting out of London, nice and quiet throughout the night, but still enough cycists to make it a memorable event, and not too long a queue at either halfway or Dunwich.
I have to watch myself though - It's easy to say, 'it's not the same, too many people' etc..
It's a bit like sitting in a traffic jam and thinking, 'look at all this traffic, what a pain, it's a nightmare, all I want to do is drive my car to XXX' !!! It's easy to forget that the numbers are just more people like me in 2004, doing it for the first time! Things evolve. Just the way it is.
Last time I did it was [I think] 2010. Personally speaking with all those numbers, I find the really bright rear flashers a bit difficult to take now for any length of time.