And here is a video to explain how it would be done.
[Link opens in new window]
| FY 2015* | £1.36 trillion | |||||
| FY 2014 | £1.26 trillion | |||||
| FY 2013 | £1.19 trillion | |||||
| FY 2012 | £1.10 trillion | |||||
| FY 2011 | £0.91 trillion | |||||
| FY 2010 | £0.76 trillion | |||||
| FY 2009 | £0.62 trillion | |||||
| FY 2008 | £0.53 trillion |