PDF - http://www.statistics.gov.uk/pdfdir/intmigr0405.pdf
"'...provides detailed estimates about international migrants for the years 1994 to 2003. t includes analyses by citizenship, country of last or next residence, main reason for migration, usual occupation, age and sex and length of stay. Headline figures of international migration in 2003 were published on 4 November 2004.' "
