In 2011, average UK weekly expenditure rose to £483.60, an increase of £10 from 2010 and the highest recorded, according to the Office of National Statistics.
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The business secretary called the move a 'positive step forward' after the US-imposed tariff sparked fears over jobs in Northern Ireland.
A report published by the Boundary Commission for England details plans to reduce the number of MPs by scrapping 50 constituencies.
The slump will spark scrutiny, especially as statistics show a rise in racially or religiously motivated offences following the EU vote.