Spain had an amnesty in 2005 http://news.bbc.co.uk/1/hi/world/europe/4242411.stm

over three months almost 700,000 immigrants had applied for legal residence and work permits.


and i wonder how many more came since then ?

but from the uk

http://www.telegraph.co.uk/news/news...d-amnesty.html

each one could cost £1m over their life time