When you visit any web site, it may store or retrieve information on your browser, mostly in the form
of cookies. This information might be about you, your preferences or your device and is mostly used
to make the site work as you expect it to. The information does not usually directly identify you,
but it can give you a more personalised web experience.
Because we respect your right to privacy, you can choose not to allow some types of cookies. Click
on the different category headings to find out more and change our default settings. However,
blocking some types of cookies may impact your experience of the site and the services we are able
Strictly Necessary Cookies
These cookies are necessary for the website to function and cannot be switched off in our systems.
They are usually only set in response to actions made by you which amount to a request for services,
such as setting your privacy preferences, logging in or filling in forms.
You can set your browser to block or alert you about these cookies, but some parts of the site will
not then work. These cookies do not store any personally identifiable information.
collects no data.
These cookies allow us to count visits and traffic sources so we can measure and improve the
performance of our site. They help us to know which pages are the most and least popular and see how
visitors move around the site.
All information these cookies collect is aggregated and therefore anonymous. If you do not allow
these cookies we will not know when you have visited our site, and will not be able to monitor its
This is an Audience Measurement Tool. It provides statistics on how the website is used.