crikey
I just calculated that, for me too, it's been 18 years
( mediocre I am not strange, Thu 17 May 2007, 9:32, archived)

20 for me

( Afinkawan, Thu 17 May 2007, 9:35, archived)

25 for me!
GAH!
( Merry Griffmas and a Savally New year now has a chrissmassy name!, Thu 17 May 2007, 9:43, archived)

ohhh
I think I win. 26.
( The Tig and me, Thu 17 May 2007, 9:47, archived)