These "analytical" cookies allow us to recognise and count the number of times you visit and to see how you move around our website. All the data that these cookies collect is aggregated and anonymised. 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 performance during your visit.
These cookies are necessary to power functions such as storing your cookie preferences and cannot be switched off in our systems. You can block or set alerts about these cookies in your browser although some aspects of the site will not function correctly. These cookies do not carry any personally identifiable data.