This website places necessary cookies on your computer to improve your experience.
We may also use optional analytics cookies to analyse our website traffic.
Every year we set new targets and indicate our progress against them; details are set out in our annual Responsibility Report. See below for the current targets.
Cookies are small files of letters and numbers that we store on your browser or the hard drive of your device. Like most websites, we use cookies on our website for our legitimate interests. There are different types of cookies that we use for different purposes; however generally speaking cookies help us to distinguish you from other users of our website, which allows us to provide you a better experience and also allows us to improve our website.
You can block cookies at any time by activating the setting on your browser that allows you to refuse some or all cookies. However, if you do block cookies there may be parts of our website that you will be unable to access or that will not function properly.
Strictly necessary cookies
These are cookies that are required for the operation of our website. They include, for example, cookies that enable you to log into secure areas of our website, use a shopping cart or make use of e-billing services.
These allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily.