Afghanistan factbox - Telegraph 422 - the number of British soldiers killed in the country since operations began in 2001. 3,073 - total number of coalition forces killed since 2001 £1,600 - maximum payout by American forces in compensation for a civilian death £4,500 - the maximum the British paid in compensation 1,142 - how many claims the British government paid between 2007-2010. £20bn - estimated cost to the British taxpayer on top of the basic defence budget 3,000 - number of civilians killed a year 185,000 - the number of Afghans displaced in 2011 by the conflict 90 - the percentage of the world's opium supplied by Afghanistan