Jobs.

1.34 million jobs have been created since 2001. [ I wonder how many of these are bureaucratic and not 'sharp-end'?]
Almost a half million of these have gone to immigrants. [You know - "the people who are here to do the jobs our people will not do!"]

LINK: http://www.dailymail.co.uk/news/article-1095154/Fresh-calls-cap-migrant-workers-figures-reveal-foreigners-taken-1-3m-jobs-created-2001.html