13 Calculate UK net investment and gross investment during 2010. The Office for National Statistics reported that the UK capital stock was £5,014 billion at the end of 2011, £4,982 billion at the end of 2010 and £4,908.6 billion at the end of 2009.

Depreciation in 2010 was £152 billion, and gross investment during 2011 was £198 billion (all in 2006 pounds).