© Crown copyright 2014
All material on the Office for National Statistics (ONS) website is subject to Crown Copyright protection unless otherwise indicated. You may re-use this information (excluding logos) free of charge, in any format or medium, under the terms of the Open Government Licence v2.0. To view this licence, visit the National Archives website or email email@example.com.
Where we have identified any third-party copyright information, you will need to obtain permission from the copyright holders concerned.
Users reproducing ONS content without adaptation should include a source accreditation to ONS:
Source: Office for National Statistics licensed under the Open Government Licence v.2.0.
Users reproducing ONS content which is adapted should include a source accreditation to ONS:
Adapted from data from the Office for National Statistics licensed under the Open Government Licence v.2.0.
Please note that the ONS logo must not be reproduced unless permission is sought. If you would like permission to reproduce the logo, please contact us.